{"id":8832,"date":"2022-07-14T15:48:19","date_gmt":"2022-07-14T07:48:08","guid":{"rendered":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_data_handling\/more_about_probability-2\/"},"modified":"2023-03-30T08:51:34","modified_gmt":"2023-03-30T00:51:34","slug":"notation-of-set-language","status":"publish","type":"page","link":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental_data_handling\/more_about_probability\/notation-of-set-language\/","title":{"rendered":"\u96c6\u5408\u7684\u8a18\u6cd5"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"8832\" class=\"elementor elementor-8832\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-24bca577 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"24bca577\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-2c15826e\" data-id=\"2c15826e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-38e1270b elementor-widget elementor-widget-text-editor\" data-id=\"38e1270b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>16.1 \u8a8d\u8b58 \u96c6\u5408 \u7684\u8a18\u6cd5\uff0c\u5305\u62ec\u4f75\u96c6\u3001\u4ea4\u96c6\u548c\u9918\u96c6\u7684\u8a18\u6cd5 (Recognizing the Notation of Set Language including Union, Intersection and Complement)<\/h2><p>\u96c6\u5408 \u55ba\u6700\u8fd1\u5605\u6703\u8003\u8ab2\u7a0b\u5165\u9762\u4fc2\u5187\u5605\uff0c\u4e0d\u904e\u55ba\u820aD\u5605\u6703\u8003\u8ab2\u7a0b\u5165\u9762\u5c31\u6709\u3002<\/p><p>\u800c\u6839\u64daHKDSE\u8ab2\u7a0b\u5605\u8981\u6c42\uff0c\u5927\u5bb6\u53ea\u9700\u8a8d\u8b58D\u8a18\u6cd5\u3002<\/p><ul><li>\u5176\u5be6\u5481\u90fd\u6709\u597d\u8655\uff0c\u5c31\u4fc2\u5927\u5bb6\u53ea\u8981\u660e\u5497D\u8a18\u6cd5\uff0c\u5481\u8b1b\u6982\u7387\u5605\u6642\u5019\u6703\u66f4\u6613\u8b1b\u3002<\/li><\/ul><p>\u7c21\u55ae\u569f\u8b1b\uff0c\u96c6\u5408\u5c31\u4fc2\u201c\u4e00\u5806\u5622\u55ba\u57cb\u4e00\u9f4a\u201d\u3002\u800c\u96c6\u5408\u5165\u9762\u5605\u5622\u5c31\u4fc2\u201c\u5143\u7d20\u201d\u3002<\/p><ul><li>\u4f8b\u5982\u201c\u75311\u81f310\u5605\u96d9\u6578\u201d\u96c6\u5408\u5c31\u4fc2\u5305\u62ec\u6709\u201c2, 4, 6, 8, 10\u201d\u4e94\u500b\u5143\u7d20\u3002<\/li><li>\u800c\u7528\u96c6\u5408\u5605\u8a18\u6cd5\u5c31\u4fc2\uff1a \u75311\u81f310\u5605\u96d9\u6578 = { 2, 4, 6, 8, 10 }<ul><li>\u201c{ }\u201d\u5c31\u4fc2\u4ee3\u8868\u5497\u96c6\u5408\uff0c\u800c\u5165\u9762\u5605\u6bcf\u4e00\u6a23\u5622\u5c31\u4fc2\u4e00\u500b\u5143\u7d20\u3002<\/li><li>\u800c\u901a\u5e38\u6211\u54cb\u4ea6\u6703\u7528\u5927\u5beb\u82f1\u6587\u5b57\u6bcd\u569f\u4ee3\u8868\u4e00\u500b\u96c6\u5408\u3002<ul><li>\u4f8b\u5982\u8a2d A \u70ba\u75311\u81f310\u5605\u96d9\u6578\u5605\u96c6\u5408\uff0c\u5481<br \/>\u00a0\u00a0\u00a0\u00a0\u00a0 A = { 2, 4, 6, 8, 10 }<\/li><\/ul><\/li><\/ul><\/li><li>\u7559\u610f\u96c6\u5408\u4e26\u5514\u55ae\u6b62\u4fc2\u7528\u55ba\u201c\u6578\u5b57\u201d\u4e0a\uff0c\u7528\u55ba\u5176\u4ed6\u7269\u4ef6\u4e0a\u90fd\u5f97\u3002\u4f8b\u5982\uff1a<ul><li>\u670931\u865f\u5605\u6708\u4efd = { 1\u6708, 3\u6708, 5\u6708, 7\u6708, 8\u6708, 10\u6708, 12\u6708}<\/li><li>\u99965\u500b\u82f1\u6587\u5927\u5beb\u5b57\u6bcd = { A, B, C, D, E }<\/li><\/ul><\/li><\/ul><p>\u9664\u5497\u8a18\u6cd5\u4e4b\u5916\uff0c\u6211\u54cb\u4ea6\u8981\u5b78\u5e7e\u500b\u201c\u96c6\u5408\u5605\u904b\u7b97\u201d\uff0c\u5305\u62ec\u201c\u4f75\u201d\u3001\u201c\u4ea4\u201d\u540c\u57cb\u201c\u9918\u201d\u3002<\/p><h3>16.1.1 \u4f75\u96c6 (Union)<\/h3><p>\u201c\u4f75 (Union)\u201d\u7c21\u55ae\u569f\u8b1b\u5373\u4fc2\u201c\u5c07\u5169\u500b\u96c6\u5408\u52a0\u57cb\u201d\u3002<\/p><ul><li>\u4f75\u5605\u7b26\u865f\u4fc2 \u222a\uff08\u597d\u4f3c\u82f1\u6587U\u5b57\uff09\u3002<\/li><\/ul><p>\u800c\u201c\u4f75\u96c6\u201d\u5c31\u4fc2\u5373\u5169\u500b\u96c6\u5408\u52a0\u57cb\u5f8c\u5605\u55f0\u500b\u96c6\u5408\uff08\u5373\u4fc2\u7d50\u679c\uff09\u3002\u4ea6\u6709\u4eba\u53eb\u4f75\u96c6\u505a\u201c\u806f\u96c6\u201d\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4135550 elementor-widget elementor-widget-accordion\" data-id=\"4135550\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-6831\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-6831\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">\u4f8b1\uff1a \u8a2d\tA = {1, 2, 3}  B = { 4, 6 }\uff0c\u6c42 A\u222aB<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-6831\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-6831\"><p>A\u222aB = {1, 2, 3, 4, 6}<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-6832\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-6832\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">\u4f8b2\uff1a \u8a2d\tC = {1, 2, 3}  D = { 3, 4 }\uff0c\u6c42 C\u222aD<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-6832\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-6832\"><p>C\u222aD = {1, 2, 3, 4}<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e9b769 elementor-widget elementor-widget-text-editor\" data-id=\"0e9b769\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>16.1.2 \u4ea4\u96c6 (Intersection)<\/h3><p>\u201c\u4ea4\u201d\u7c21\u55ae\u569f\u8b1b\u4fc2\u201c\u5c07\u5169\u500b\u96c6\u5408\u91cd\u53e0\u53d6\u4ea4\u4e49\u5605\u90e8\u4efd\u201d\uff08\u4ea6\u53ef\u4ee5\u8a71\u53d6\u76f8\u540c\u5605\u90e8\u4efd\uff09\u3002<\/p><ul><li>\u4ea4\u5605\u7b26\u865f\u4fc2 \u2229\uff08\u597d\u4f3c\u5012\u8f49\u5605\u82f1\u6587U\u5b57\uff09\u3002<\/li><\/ul><p>\u800c\u201c\u4ea4\u96c6\u201d\u5c31\u4fc2\u5373\u5169\u500b\u96c6\u5408\u76f8\u201c\u4ea4\u201d\u5f8c\u5f97\u51fa\u5605\u96c6\u5408\u3002<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8482a9 elementor-widget elementor-widget-accordion\" data-id=\"f8482a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2601\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2601\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">\u4f8b3\uff1a \u8a2d\tC = {1, 2, 3}  D = { 3, 4 }\uff0c\u6c42 C \u2229 D<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2601\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2601\"><p>C \u2229 D = {3}<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2602\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2602\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">\u4f8b4\uff1a \u8a2d\tA = {1, 2, 3}  B = { 4, 6 }\uff0c\u6c42 A \u2229 B<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2602\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2602\"><p>A \u2229 B = \u2205<\/p><p>\u00a7 &#8220;\u2205&#8221;\u4fc2&#8221;\u7a7a\u96c6\u5408&#8221; (\u500b\u7b26\u865f\u597d\u4f3cO\u6253\u659c\u756b\u591a\u4e00\u756b)\uff0c\u4ee3\u8868\u4e00\u500b\u5187\u5622\u5605\u96c6\u5408\u3002<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37046e7 elementor-widget elementor-widget-text-editor\" data-id=\"37046e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>16.1.3 \u9918\u96c6 (Complement)<\/h3><p>\u201c\u9918\u201d\u7c21\u55ae\u569f\u8b1b\u5373\u4fc2\u201c\u6435\u4e00\u500b\u96c6\u5408\u651e\u5269\u5605\u90e8\u4efd\u201d\u3002<\/p><p>\u81f3\u65bc\u8981\u660e\u767d\u54a9\u4fc2\u201c\u651e\u5269\u201d\uff0c\u6211\u54cb\u5148\u8981\u5b78\u54a9\u4fc2\u201c\u5168\u96c6\u201d\u3002<\/p><ul><li>\u201c\u5168\u96c6\u201d\u5373\u4fc2\u5305\u62ec\u6652\u6240\u6709\u5143\u7d20\u5605\u96c6\u5408\u3002<\/li><li>\u800c\u5c0d\u5514\u540c\u8a71\u984c\u569f\u8b1b\uff0c\u201c\u5be6\u969b\u201d\u5605\u5168\u96c6\u4fc2\u6703\u5514\u540c\u5605\u3002<ul><li>\u4f8b\u5982\uff1a<br \/>\u6708\u4efd\u5605\u5168\u96c6 = {Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec}<br \/>\u5f69\u8679\u984f\u8272\u5605\u5168\u96c6 = { \u7d05, \u6a59, \u9ec3, \u7da0, \u9752, \u85cd, \u7d2b }<\/li><\/ul><\/li><li>\u524d\u8fd4\u524d\u9762\u5605\u4f8b\u5b50\uff1a\u201c\u670931\u865f\u5605\u6708\u4efd\u201d\u96c6\u5408 = { 1\u6708, 3\u6708, 5\u6708, 7\u6708, 8\u6708, 10\u6708, 12\u6708}<ul><li>\u5481\u201c\u670931\u865f\u5605\u6708\u4efd\u201d\u96c6\u5408\u5605\u201c\u9918\u96c6\u201d= { 2\u6708, 4\u6708, 6\u6708, 9\u6708, 11\u6708 }<\/li><\/ul><\/li><li>\u7b26\u865f\u65b9\u9762\uff0c\u5982\u679c\u4e00\u500b\u96c6\u5408\u4fc2\u7528A\u569f\u4ee3\u8868\uff08\u4f60\u53ef\u4ee5\u7576A\u53ea\u4fc2\u500b\u201c\u8b8a\u6578\u201d\uff09\u3002\u5481A\u5605\u9918\u96c6\u5c31\u4fc2 \\(\\bar{A}\\) \uff08\u5373\u4fc2\u55baA\u4e0a\u9762\u52a0\u4e00\u756b\uff09\u3002<\/li><li>\u6709\u6642\u6211\u54cb\u4ea6\u6703\u53eb\u9918\u96c6\u505a\u201c\u88dc\u96c6\u201d\uff08\u597d\u4f3c\u6709\u500b\u201c\u88dc\u8fd4\u843d\u53bb\u5c31\u5b8c\u6574\u201d\u5605\u610f\u601d\uff09\u3002<\/li><\/ul><h3>1.6.4 \u96c6\u5408\u5605\u5716\u8868\u6cd5 &#8211; \u6eab\u6c10\u5716\uff08Venn Diagram\uff09<\/h3><p>\u7576\u5927\u5bb6\u5927\u7d04\u77e5\u9053\u54a9\u4fc2\u96c6\u5408\u5605\u6642\u5019\uff0c\u53c8\u4fc2\u8b1b\u6578\u5b78\u5bb6\u9ede\u201c\u5077\u61f6\u201d\u5605\u6642\u5019\u3002<\/p><ul><li>\u70ba\u5497\u5514\u99db\u6210\u65e5\u5217\u6652D\u5143\u7d20\u51fa\u569f\uff0c\u6578\u5b78\u5bb6\u5c31\u8ad7\u5497\u7528\u201c\u6eab\u6c0f\u5716\u201d\u569f\u8868\u793a\u96c6\u5408\u5605\u6982\u5ff5\u3002<\/li><\/ul><p>\u55ba\u6eab\u6c0f\u5716\u5165\u9762\uff0c<\/p><ul><li>\u5168\u96c6\u4fc2\u7528\u4e00\u500b\u9577\u65b9\u5f62\u569f\u4ee3\u8868\uff08\u9577\u65b9\u5f62\u5167\u7a7a\u9593\u5c31\u4fc2\u201c\u5168\u4e16\u754c\u201d\uff09\u3002<\/li><li>\u96c6\u5408\u901a\u5e38\u6703\u7528\u4e00\u500b\u500b\u5713\u5f62\u4ee3\u8868\uff0c\u800c\u5713\u5f62\u4e0a\u6703\u6a19\u660e\u96c6\u5408\u8a72\u96c6\u5408\u5605\u201c\u5b57\u6bcd\u201d\u3002<ul><li>\u5713\u5f62\u5167\u5605\u90e8\u4efd\u5c31\u4ee3\u8868\u96c6\u5408\u5605\u5143\u7d20\uff08\u597d\u4ee5\u5305\u4f4f\u5497D\u5143\u7d20\u5481\uff09\u3002<\/li><\/ul><\/li><\/ul><p>\u800c\u5982\u679c\u7528\u6eab\u6c0f\u5716\uff0cA \u222a B\u5c31\u53ef\u4ee5\u7528\u4e0b\u5716\u569f\u8868\u9054\uff1a<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-8855 aligncenter\" src=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2022\/07\/union_of_sets.webp\" alt=\"\u4f75\u96c6 Union of sets\" width=\"357\" height=\"218\" srcset=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2022\/07\/union_of_sets.webp 357w, https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2022\/07\/union_of_sets-300x183.webp 300w, https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2022\/07\/union_of_sets-150x92.webp 150w\" sizes=\"(max-width: 357px) 100vw, 357px\" \/><\/p><ul><li>\u5716\u4e2d\u5169\u500b\u5713\u5f62\u91cd\u53e0\u90e8\u4efd\u4fc2\u4ee3\u8868A\u3001B\u5169\u500b\u96c6\u5408\u6709\u76f8\u540c\u5605\u5143\u7d20\u3002<\/li><li>\u5982\u679cA\u3001B\u5169\u500b\u96c6\u5408\u5187\u76f8\u540c\u5143\u7d20\uff0c\u5481\u5169\u500b\u5713\u5f62\u5c31\u6703\u5206\u958b\u3002<\/li><li>\u9ede\u90fd\u597d\uff0cA\u3001B\u5605\u201c\u4f75\u96c6\u201d\u4fc2\u6700\u7d42\u6709\u984f\u8272\u5605\u201c\u90e8\u4efd\u201d<\/li><\/ul><p>\u800cA \u2229 B\u5c31\u53ef\u4ee5\u7528\u53f3\u9762\u5e45\u5716\u569f\u8868\u9054\uff1a<\/p><p><img decoding=\"async\" class=\"size-full wp-image-8856 aligncenter\" src=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2022\/07\/intersection_of_sets.webp\" alt=\"\u4ea4\u96c6 Intersection of sets\" width=\"358\" height=\"220\" srcset=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2022\/07\/intersection_of_sets.webp 358w, https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2022\/07\/intersection_of_sets-300x184.webp 300w, https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2022\/07\/intersection_of_sets-150x92.webp 150w\" sizes=\"(max-width: 358px) 100vw, 358px\" \/><\/p><ul><li>A\u3001B\u5605\u201c\u4ea4\u96c6\u201d\u5c31\u4fc2\u5169\u500b\u5713\u5f62\u5605\u201c\u91cd\u53e0\u90e8\u4efd\u201d\u3002<\/li><li>\u800c\u5982\u679c\u5169\u500b\u5713\u5f62\u5187\u91cd\u53e0\uff0c\u5481\u54aa\u5373\u4fc2\u4ee3\u8868\u201c\u4ea4\u96c6\u201d\u4fc2\u201c\u5187\u5622\u201d\uff0c\u5373 A \u2229 B = \u2205<\/li><\/ul><p>\u800c\u65bc\u7528\u5716\u569f\u8868\u9054\u201c\u9918\u96c6\u201d\u5605\u6982\u5ff5\uff0c<\/p><ul><li>\u56e0\u70ba\u9577\u65b9\u5f62\u4fc2\u4ee3\u8868\u201c\u5168\u96c6\u201d\uff0c\u6240\u4ee5\u201cA\u5605\u9918\u96c6\u201d\u5c31\u4fc2\u201c\u5713\u5f62A\u5916\u9762\u5605\u90e8\u4efd\u201d\u3002<\/li><\/ul><p>\u8b1b\u5230\u4f9d\u5230\uff0c\u5e0c\u671b\u5927\u5bb6\u89ba\u5f97\u7528\u5716\u569f\u4ee3\u8868\u96c6\u5408\u90fd\u597d\u6613\u660e\u3002\u4f46\u5176\u5be6\u201c\u96c6\u5408\u201d\u4fc2\u4e00\u500b\u597d\u6df1\u5967\u5605\u8ab2\u984c\u3002<\/p><ul><li>\u53ea\u4e0d\u904e\u55ba\u4e2d\u5b78\u6587\u6191\u8b1b\u96c6\u5408\u53ea\u4fc2\u70ba\u5497\u65b9\u4fbf\u6df1D\u5605\u6982\u7387\u6982\u5ff5\u3002<\/li><li>\u6240\u4ee5\u5927\u5bb6\u53ea\u8981\u6709\u500bidea\u5c31OK\uff0c\u4ef2\u6709\u8a18\u4f4f\u7b26\u865f \u222a\u3001\u2229 \u540c\u6eab\u6c10\u5716\u5605\u6982\u5ff5\u3002<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-30c26cad elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"30c26cad\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-667a48a3\" data-id=\"667a48a3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-66b75d0b elementor-widget elementor-widget-text-editor\" data-id=\"66b75d0b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><i class=\"far fa-arrow-alt-circle-left\" aria-hidden=\"true\"><\/i>\u00a0<a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental_data_handling\/more_about_probability\/\">\u7e8c\u6982\u7387<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-401efa8c\" data-id=\"401efa8c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-429017b2\" data-id=\"429017b2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-501c62b3 elementor-widget elementor-widget-text-editor\" data-id=\"501c62b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: right;\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental_data_handling\/more_about_probability\/addition_law_of_probability\/\">\u6982\u7387\u52a0\u6cd5\u5b9a\u5f8b<\/a>\u00a0<i class=\"far fa-arrow-alt-circle-right\" aria-hidden=\"true\"><\/i><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-74ae437d\" data-id=\"74ae437d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6d097715 elementor-widget elementor-widget-sidebar\" data-id=\"6d097715\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"sidebar-box widget-oceanwp-custom-menu custom-menu-widget clr\"><style type=\"text\/css\">.ocean_custom_menu-5 > ul > li > a, .custom-menu-widget .ocean_custom_menu-5 .dropdown-menu .sub-menu li a.menu-link{font-size:16px;line-height:17px;}.custom-menu-widget .ocean_custom_menu-5.oceanwp-custom-menu > ul.click-menu .open-this{font-size:16px;}<\/style><h4 class=\"widget-title\">DSE\u6578\u5b78 &#8211; \u5fc5\u4fee\u90e8\u5206\u3010\u76ee\u9304\u3011<\/h4><div class=\"oceanwp-custom-menu clr ocean_custom_menu-5 left dropdown-hover\"><ul id=\"menu-dsemaths_core\" class=\"dropdown-menu sf-menu\"><li  id=\"menu-item-1744\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1744\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/course-analysis\/\" class=\"menu-link\">\u8ab2\u7a0b\u5206\u6790 (Core)<\/a><\/li>\n<li  id=\"menu-item-1745\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children dropdown menu-item-1745\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/\" class=\"menu-link\">\u5514\u597d\u4ee5\u70ba\u5514\u99db\u8003 &#8211; \u76ee\u9304 <span class=\"nav-arrow fa fa-angle-down\"><\/span><\/a>\n<ul class=\"sub-menu\">\n\t<li  id=\"menu-item-4067\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4067\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/solving-equation\/\" class=\"menu-link\">1. \u89e3\u65b9\u7a0b<\/a><\/li>\n\t<li  id=\"menu-item-4068\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4068\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/polynomials\/\" class=\"menu-link\">2. \u591a\u9805\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4069\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4069\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/laws-of-indices\/\" class=\"menu-link\">3. \u6307\u6578\u5b9a\u5f8b<\/a><\/li>\n\t<li  id=\"menu-item-4070\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4070\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/factorization\/\" class=\"menu-link\">4. \u56e0\u5f0f\u5206\u89e3<\/a><\/li>\n\t<li  id=\"menu-item-4071\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4071\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae\/\" class=\"menu-link\">5. \u516c\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4072\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4072\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/percentage\/\" class=\"menu-link\">6. \u767e\u5206\u6cd5<\/a><\/li>\n\t<li  id=\"menu-item-4073\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4073\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/rate-and-ratio\/\" class=\"menu-link\">7. \u7387\u53ca\u6bd4<\/a><\/li>\n\t<li  id=\"menu-item-4074\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4074\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/functions\/\" class=\"menu-link\">8. \u51fd\u6578<\/a><\/li>\n\t<li  id=\"menu-item-4075\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4075\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/estimation\/\" class=\"menu-link\">9. \u4f30\u7b97<\/a><\/li>\n\t<li  id=\"menu-item-4076\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4076\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/inequalities\/\" class=\"menu-link\">10. \u4e0d\u7b49\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4077\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4077\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/coordinates\/\" class=\"menu-link\">11. \u5750\u6a19<\/a><\/li>\n\t<li  id=\"menu-item-4079\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4079\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/geometry\/\" class=\"menu-link\">12. \u6f14\u7e79\u63a8\u7406\u5e7e\u4f55<\/a><\/li>\n\t<li  id=\"menu-item-4080\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4080\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/trigonometry\/\" class=\"menu-link\">13. \u4e09\u89d2\u6bd4<\/a><\/li>\n\t<li  id=\"menu-item-4081\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4081\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/shapes\/\" class=\"menu-link\">14. \u5e73\u9762\u53ca\u7acb\u9ad4\u5716\u5f62<\/a><\/li>\n\t<li  id=\"menu-item-4082\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4082\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/15-probability\/\" class=\"menu-link\">15. \u6982\u7387<\/a><\/li>\n\t<li  id=\"menu-item-4083\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4083\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/16-statistics\/\" class=\"menu-link\">16. \u7d71\u8a08<\/a><\/li>\n<\/ul>\n<\/li>\n<li  id=\"menu-item-3231\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3231\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_algebra\/\" class=\"menu-link\">\u57fa\u790e &#8211; \u6578\u8207\u4ee3\u6578<\/a><\/li>\n<li  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