Luyện tập chung chủ đề 15 - Làm quen với yếu tố thống kê, xác suất

Home Lớp 3 Toán lớp 3 - Sách Kết nối tri thức Bài 75: Luyện tập chungBài tập nâng cao

{"common":{"save":0,"post_id":"5969","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1955","post_id":"5969","mon_id":"1158530","chapter_id":"1158708","question":"M\u1ed9t \u0111\u1ed3ng xu hai m\u1eb7t, m\u1ed9t m\u1eb7t có hình con chó và m\u1ed9t m\u1eb7t có hình con mèo. Nam và An cùng ch\u01a1i trò ch\u01a1i tung \u0111\u1ed3ng xu. N\u1ebfu m\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu là hình con chó thì Nam th\u1eafng, n\u1ebfu m\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu là hình con mèo thì An th\u1eafng.<\/p><svg height=\"170\" width=\"320\"> <g><title><\/title><rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"322\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><ellipse cx=\"78.4\" cy=\"84.44375\" fill=\"#ffff00\" id=\"svg_1\" rx=\"75\" ry=\"75\" stroke=\"#ff7f00\" stroke-width=\"5\"><\/ellipse> <path d=\"m45.9307,43.44615l-4.7937,0c0,0 -3.72844,-0.25966 -4.7937,3.11581c-1.89752,2.43419 -5.44285,1.36315 -6.39159,2.33684c-1.04863,0 -3.46213,0.45438 -3.19581,1.55787c0.26631,1.10352 1.06529,1.29825 0.79894,1.55791c-0.26631,0.25966 -0.99869,5.58248 5.99214,5.45265c0,0 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d=\"m198.6312,59.98002c0.56106,-0.10816 4.63615,4.30365 4.71301,5.19266c0.11221,1.29815 2.69316,1.29815 3.36643,1.29815c0.67331,0 5.49853,2.81268 8.75275,5.84175c3.25426,3.02903 12.79249,0.21635 13.46576,0c0.67331,-0.21639 31.42015,-5.94991 39.72401,-1.94724c3.98812,1.92235 11.84907,-4.86933 12.87666,-18.98563c-0.4208,-9.41165 -9.20019,-9.76486 -11.02511,-6.89647c-1.34658,1.27111 -3.64698,0.89248 -3.08588,-1.43338c0.51019,-1.55751 3.92749,-6.35557 10.23959,-4.24606c5.35115,1.78837 8.44625,6.08976 9.59436,12.41364c0.75744,13.6307 -9.84686,23.69144 -9.84686,23.69144c0,0 0.84161,3.56997 2.01989,5.84175c1.17824,2.27178 1.51488,10.06074 1.34654,11.03434c-0.1683,0.97364 5.04968,6.32857 6.7329,6.49081c1.45879,0.64909 5.55466,12.6571 5.72295,15.25339c1.51492,0.73021 -0.1683,4.38129 -2.01985,4.86811c-1.85155,0.48682 -2.35652,-2.92087 -2.35652,-4.54357c0,-1.62269 -1.85155,-9.24941 -7.06953,-10.06074c-5.21798,-0.81136 -9.76266,-3.56997 -9.76266,-3.56997c0,0 -0.33667,1.62273 -1.00994,2.27182c0,0 1.68322,2.75857 1.68322,6.81532c-0.1683,1.78497 -2.86146,7.30217 -4.71301,7.78899c0,0 -3.0298,4.54357 -4.37638,4.54357c-1.34658,0 -3.7031,1.62269 -7.40617,-0.32455c0,0 0.67327,-4.05675 4.03974,-2.92087c0,0 7.91114,-5.84171 4.0397,-8.43804c0,0 -2.35649,-3.24539 -3.70307,-4.54357c-1.34658,-1.29815 -2.69316,-3.40766 -3.0298,-5.84171c0,0 -11.27757,-0.64909 -14.13907,-1.29818c-2.86146,-0.64906 -8.07944,0.97364 -8.07944,1.94724c0,0.97364 0.84161,10.22304 2.35649,12.00801c0,0 0.50497,2.27178 0,2.92087c-0.50497,0.64906 1.85155,6.00399 -2.69316,5.51717c-4.29221,0.73021 -6.39623,-2.51518 -1.34654,-3.56993c0.25247,-3.48881 -6.39626,-18.25539 -10.77264,-16.22703c-5.72295,0.81136 -3.78724,-3.9756 -9.42602,3.56997c-5.89129,6.65304 -15.99062,11.35888 -16.49556,14.27976c0,0 -3.0298,-0.64909 -3.7031,1.62269c0,0 -7.91114,0.97364 -7.40617,-0.32455c0.50497,-1.29815 0.92578,-3.9756 4.03974,-2.92084c0,0 7.06953,-2.67748 13.8024,-16.55158c0,0 -0.84161,-3.56993 0.33664,-6.49081c1.17828,-2.92084 -0.67327,-14.92885 -9.08939,-14.27976c0,0 -3.14201,1.0818 -5.04965,-3.89448c0,0 -0.78552,-0.97364 0,-1.94724c0.78548,-0.97364 2.69316,-2.48814 3.0298,-3.56993c0.33664,-1.08183 1.12216,-2.70452 5.38628,-4.21906c2.01989,-2.02836 -0.22439,-6.05807 0.33667,-6.16626z\" fill=\"#56ff56\" id=\"svg_4\" stroke=\"#000000\" stroke-width=\"1.5\"><\/path> <\/g> <\/svg><\/span><\/p>H\u1ecfi v\u1edbi m\u1ed7i l\u1ea7n tung \u0111\u1ed3ng xu nh\u01b0 th\u1ebf thì s\u1ef1 ki\u1ec7n nào sau \u0111ây có th\u1ec3 x\u1ea3y ra?<\/p>","options":["A.<\/strong> Nam là ng\u01b0\u1eddi th\u1eafng","B.<\/strong> An là ng\u01b0\u1eddi th\u1eafng","C.<\/strong> C\u1ea3 hai b\u1ea1n \u0111\u1ec1u th\u1eafng","D.<\/strong> C\u1ea3 hai b\u1ea1n \u0111\u1ec1u thua"],"correct":"[\"1\",\"2\"]","level":"3","hint":"","answer":"Vì v\u1edbi m\u1ed7i l\u1ea7n tung \u0111\u1ed3ng xu, n\u1ebfu m\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu là hình con chó thì Nam th\u1eafng, n\u1ebfu m\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu là hình con mèo thì An th\u1eafng <\/p>nên các s\u1ef1 ki\u1ec7n có th\u1ec3 x\u1ea3y ra là <\/p>A.<\/strong> Nam là ng\u01b0\u1eddi th\u1eafng<\/span><\/p>B.<\/strong> An là ng\u01b0\u1eddi th\u1eafng<\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"1","date":"2022-06-28 07:07:23","option_type":"txt","len":2},{"id":"1958","post_id":"5969","mon_id":"1158530","chapter_id":"1158708","question":"Cho b\u1ea3ng s\u1ed1 li\u1ec7u v\u1ec1 s\u1ed1 quy\u1ec3n sách t\u1eebng lo\u1ea1i trong th\u01b0 vi\u1ec7n c\u1ee7a m\u1ed9t tr\u01b0\u1eddng ti\u1ec3u h\u1ecdc.<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 750px;\"><tbody> <tr> <td>Lo\u1ea1i sách<\/strong><\/td> <td>Sách giáo khoa<\/strong><\/td> <td>Sách tham kh\u1ea3o<\/strong><\/td> <td>Sách truy\u1ec7n<\/strong><\/td> <td>Báo<\/strong><\/td> <\/tr> <tr> <td>S\u1ed1 l\u01b0\u1ee3ng (quy\u1ec3n)<\/strong><\/td> <td>325<\/td> <td>275<\/td> <td>200<\/td> <td>150<\/td> <\/tr><\/tbody><\/table>D\u1ef1a vào b\u1ea3ng hãy cho bi\u1ebft t\u1ed5ng s\u1ed1 sách giáo khoa và sách tham kh\u1ea3o là bao nhiêu quy\u1ec3n?<\/p>","options":["550","650","600","590"],"correct":"3","level":"3","hint":"","answer":"T\u1ed5ng s\u1ed1 sách giáo khoa và sách tham kh\u1ea3o là:<\/p>325 + 275 = 600 (quy\u1ec3n)<\/p>\u0110áp s\u1ed1: 600 quy\u1ec3n<\/p>\u0110áp án \u0111úng là ngôi sao ch\u1ee9a s\u1ed1 600<\/strong><\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"1","date":"2022-06-28 07:15:17","option_type":"txt","len":0},{"id":"1960","post_id":"5969","mon_id":"1158530","chapter_id":"1158708","question":"Cho b\u1ea3ng s\u1ed1 li\u1ec7u sau v\u1ec1 s\u1ed1 h\u1ecdc sinh kh\u1ed1i l\u1edbp 3 t\u1ea1i m\u1ed9t tr\u01b0\u1eddng ti\u1ec3u h\u1ecdc:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 650px;\"><tbody> <tr> <td> <\/td> <td>L\u1edbp 3A<\/strong><\/td> <td>L\u1edbp 3B<\/strong><\/td> <td>L\u1edbp 3C<\/strong><\/td> <td>L\u1edbp 3D<\/strong><\/td> <\/tr> <tr> <td>Nam<\/strong><\/td> <td>20<\/td> <td>21<\/td> <td>19<\/td> <td>16<\/td> <\/tr> <tr> <td>N\u1eef<\/strong><\/td> <td>16<\/td> <td>19<\/td> <td>15<\/td> <td>17<\/td> <\/tr> <tr> <td>C\u1ea3 l\u1edbp<\/strong><\/td> <td>36<\/td> <td>37<\/td> <td>34<\/td> <td>33<\/td> <\/tr><\/tbody><\/table>S\u1eafp x\u1ebfp các l\u1edbp 3 theo th\u1ee9 t\u1ef1 có s\u1ed1 h\u1ecdc sinh n\u1eef t\u1eeb ít nh\u1ea5t \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t.<\/p>","options":"","correct":["L\u1edbp 3C","L\u1edbp 3A","L\u1edbp 3D","L\u1edbp 3B"],"level":"3","hint":"","answer":"D\u1ef1a vào b\u1ea3ng ta th\u1ea5y<\/p>+ L\u1edbp 3C có 15 h\u1ecdc sinh n\u1eef<\/p>+ L\u1edbp 3A có 16 h\u1ecdc sinh n\u1eef<\/p>+ L\u1edbp 3D có 17 h\u1ecdc sinh n\u1eef<\/p>+ L\u1edbp 3B có 19 h\u1ecdc sinh n\u1eef<\/p>Vì 15 < 16 < 17 < 19 nên th\u1ee9 t\u1ef1 các l\u1edbp có s\u1ed1 h\u1ecdc sinh n\u1eef t\u1eeb ít nh\u1ea5t \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t là<\/p>L\u1edbp 3C ; L\u1edbp 3A ; L\u1edbp 3D ; L\u1edbp 3B<\/strong><\/span><\/p>","type":"reorder","extra_type":"sentence","time":"0","user_id":"131","test":"1","date":"2022-06-28 07:22:09","word":["L\u1edbp 3C","L\u1edbp 3A","L\u1edbp 3D","L\u1edbp 3B"]}]}