Khả năng xảy ra của một sự kiện

Home Lớp 3 Toán lớp 3 - Sách Kết nối tri thức Bài 74: Khả năng xảy ra của một sự kiệnBài tập cơ bản

{"common":{"save":0,"post_id":"5973","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1912","post_id":"5973","mon_id":"1158530","chapter_id":"1158708","question":"M\u1ed9t chi\u1ebfc h\u1ed9p kín có m\u1ed9t qu\u1ea3 bóng màu xanh và m\u1ed9t qu\u1ea3 bóng màu vàng. Hãy ch\u1ecdn nh\u1eefng kh\u1ea3 n\u0103ng có th\u1ec3 x\u1ea3y ra khi Lan l\u1ea5y m\u1ed9t qu\u1ea3 bóng trong h\u1ed9p.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/do-vat\/1-vien-bi.jpg\" \/><\/div>","options":["A. <\/strong>Lan l\u1ea5y \u0111\u01b0\u1ee3c 1 qu\u1ea3 bóng xanh.","B. <\/strong>Lan l\u1ea5y \u0111\u01b0\u1ee3c 1 qu\u1ea3 bóng \u0111\u1ecf.","C. <\/strong>Lan l\u1ea5y \u0111\u01b0\u1ee3c 1 qu\u1ea3 bóng \u0111en.","D. <\/strong>Lan l\u1ea5y \u0111\u01b0\u1ee3c 1 qu\u1ea3 bóng vàng."],"correct":"[\"1\",\"4\"]","level":"1","hint":"","answer":"Vì trong h\u1ed9p có m\u1ed9t qu\u1ea3 bóng màu vàng và m\u1ed9t qu\u1ea3 bóng màu xanh nên các \u0111áp án \u0111úng là <\/p>A. <\/strong>Lan l\u1ea5y \u0111\u01b0\u1ee3c 1 qu\u1ea3 bóng xanh.<\/span><\/p>D. <\/strong>Lan l\u1ea5y \u0111\u01b0\u1ee3c 1 qu\u1ea3 bóng vàng.<\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"1","date":"2022-06-27 12:14:56","option_type":"txt","len":2},{"id":"1914","post_id":"5973","mon_id":"1158530","chapter_id":"1158708","question":"M\u1ed9t \u0111\u1ed3ng xu hai m\u1eb7t, m\u1ed9t m\u1eb7t có hình chi\u1ebfc lá và m\u1ed9t m\u1eb7t có hình tia ch\u1edbp. N\u1ebfu Nam tung \u0111\u1ed3ng xu và quan sát m\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu thì nh\u1eefng s\u1ef1 ki\u1ec7n có th\u1ec3 x\u1ea3y ra là<\/p><svg height=\"120\" width=\"230\"> <g><title><\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"232\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_4\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><ellipse cx=\"57\" cy=\"54.25\" fill=\"#ffff56\" id=\"svg_1\" rx=\"50\" ry=\"50\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <ellipse cx=\"169\" cy=\"54.25\" fill=\"#ffff56\" id=\"svg_2\" rx=\"50\" ry=\"50\" stroke=\"#000\" stroke-width=\"1.5\"><\/ellipse> <path d=\"m45.04103,72.26287c-0.97065,2.17074 -1.65026,3.31018 -4.95216,4.44818c-0.58347,0.31015 0.19361,1.03422 0.58347,0.93038c2.91204,-1.2405 3.59163,-2.27606 4.95216,-4.55206c0.67961,2.89767 2.23242,4.75971 4.85471,5.89771l0.19492,-0.62165c3.59296,2.06976 6.31138,2.48378 8.64128,1.96594c2.23374,-0.51779 4.85471,-0.93034 6.9923,-0.62019c-1.35922,-1.1381 -2.1376,-2.48376 -2.42736,-4.13815c2.23244,-2.48367 6.60246,-1.55195 8.73875,-3.00013l-0.486,-1.13942c4.6611,-1.65441 8.64259,-4.3444 14.17691,-3.51646l-9.12728,-7.03577l0.19361,-0.93178c-2.71843,-2.17216 -5.82538,-2.68999 -9.32218,-1.24044c1.16559,-3.62173 0,-7.55222 3.20572,-10.34595c-0.77706,-1.55199 0,-3.72417 1.35922,-5.69012c0.19494,-3.72415 1.16428,-7.03508 2.91204,-10.03523c-2.81588,1.96594 -5.63046,3.72415 -8.54381,5.27685l-0.486,-1.13871c-1.16428,1.96659 -2.8159,3.41475 -5.04963,4.24125l-0.38853,-1.138c-3.01082,3.20778 -6.60246,4.86217 -8.83622,9.51945c0.67961,-4.55344 -0.58345,-9.00166 -2.33119,-12.6227l-0.67961,0.72476c-1.26175,-4.44891 -5.72793,-7.34589 -8.54381,-10.96691c1.16428,9.932 -2.23507,11.17319 -2.1363,16.65703l-1.1669,0.1024c1.65159,5.58766 -0.58216,8.17381 0.486,12.00182c-2.71843,-1.44817 -6.21524,-0.41399 -8.54514,-2.69001c2.81588,4.75977 3.78788,10.55229 8.54514,14.48412l-0.67961,0.31015c1.74773,2.06834 3.98149,3.82801 7.86551,4.86361l-0.00001,0.00003z\" fill=\"#ff7f00\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m155.77205,24.13056l11.58187,16.32604l-4.77568,1.92673l14.58378,13.98784l-4.77354,2.33602l18.0286,23.42337l-30.57973,-17.95015l5.83266,-2.49277l-19,-11.49724l6.80833,-3.55302l-20.06126,-12.06111l22.35495,-10.4457z\" fill=\"#bf0000\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(13.084136009216309 161.91708374023435,53.1305618286133) \"><\/path> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> M\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu có hình ngôi sao.","B.<\/strong> M\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu có hình tia ch\u1edbp.","C.<\/strong> M\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu có hình chi\u1ebfc lá.","D.<\/strong> M\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu có hình ngôi nhà."],"correct":"[\"2\",\"3\"]","level":"1","hint":"","answer":"Vì \u0111\u1ed3ng xu có m\u1ed9t m\u1eb7t hình chi\u1ebfc lá và m\u1ed9t m\u1eb7t hình tia ch\u1edbp nên các \u0111áp án \u0111úng là<\/p>B.<\/strong> M\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu có hình tia ch\u1edbp.<\/span><\/p>C.<\/strong> M\u1eb7t trên c\u1ee7a \u0111\u1ed3ng xu có hình chi\u1ebfc lá.<\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"1","date":"2022-06-27 12:28:06","option_type":"txt","len":3},{"id":"1915","post_id":"5973","mon_id":"1158530","chapter_id":"1158708","question":"M\u1ed9t lo\u1ea1i kem có ba v\u1ecb là dâu, chocolate và s\u1eefa d\u1eeba. Hoa mua m\u1ed9t cây kem lo\u1ea1i \u1ea5y. Nh\u1eefng s\u1ef1 ki\u1ec7n có th\u1ec3 x\u1ea3y ra là<\/p><div class=\"lt123_imgs\"><img class=\"img_dd medium\" src=\"\/data\/library\/do-an\/4-kem.png\" \/><\/div>","options":["A.<\/strong> Hoa mua kem v\u1ecb dâu","B. <\/strong>Hoa mua kem v\u1ecb s\u1eefa d\u1eeba","C. <\/strong>Hoa mua kem v\u1ecb chocolate","D. <\/strong>C\u1ea3 ba \u0111áp án trên \u0111\u1ec1u \u0111úng"],"correct":"4","level":"1","hint":"","answer":"Vì lo\u1ea1i kem \u0111ó có ba v\u1ecb là dâu, chocolate và s\u1eefa d\u1eeba nên Hoa có th\u1ec3 mua m\u1ed9t trong ba v\u1ecb \u0111ó.<\/p>\u0110áp án \u0111úng là   D. <\/strong>C\u1ea3 ba \u0111áp án trên \u0111\u1ec1u \u0111úng<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-27 12:33:10","option_type":"txt","len":3}]}