Bài tập cuối chương VIII

Home Lớp 8 Toán lớp 8 - Sách Kết nối tri thức Bài tập cuối chương 8Bài tập cơ bản

{"common":{"save":0,"post_id":"6666","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6836","post_id":"6666","mon_id":"1158921","chapter_id":"1158935","question":"Ch\u1ecdn ng\u1eabu nhiên m\u1ed9t s\u1ed1 t\u1ef1 nhiên có m\u1ed9t ch\u1eef s\u1ed1. Có bao nhiêu k\u1ebft qu\u1ea3 có th\u1ec3 x\u1ea3y ra?<\/p>","options":["A.<\/strong> 10","B.<\/strong> 9","C.<\/strong> 0","D.<\/strong> 1"],"correct":"1","level":"1","hint":"","answer":"Ch\u1ecdn A.<\/strong> 10.<\/span><\/p>Có 10 s\u1ed1 t\u1ef1 nhiên có m\u1ed9t ch\u1eef s\u1ed1 là 0 ; 1 ; 2 ; 3 ; 4 ; 5 ; 6 ; 7 ; 8 ; 9.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-03 07:28:34","option_type":"txt","len":0},{"id":"6838","post_id":"6666","mon_id":"1158921","chapter_id":"1158935","question":"Gieo m\u1ed9t con xúc x\u1eafc có 6 m\u1eb7t. Tính xác su\u1ea5t c\u1ee7a bi\u1ebfn c\u1ed1 A: "S\u1ed1 ch\u1ea5m xu\u1ea5t hi\u1ec7n không chia h\u1ebft cho 3".<\/p>","options":["A.<\/strong> $\\dfrac{1}{3}$<\/span>","B.<\/strong> $\\dfrac{1}{2}$<\/span>","C.<\/strong> $\\dfrac{5}{6}$<\/span>","D.<\/strong> $\\dfrac{2}{3}$<\/span>"],"correct":"4","level":"1","hint":"","answer":"Có 6 k\u1ebft qu\u1ea3 có th\u1ec3 x\u1ea3y ra là: 1; 2; 3; 4; 5; 6.<\/p>Có 4 k\u1ebft qu\u1ea3 thu\u1eadn l\u1ee3i cho bi\u1ebfn c\u1ed1 A: "S\u1ed1 ch\u1ea5m xu\u1ea5t hi\u1ec7n không chia h\u1ebft cho 3" là: 1; 2; 4; 5.<\/p>Xác su\u1ea5t c\u1ee7a bi\u1ebfn c\u1ed1 A là: $\\dfrac{4}{6}=\\dfrac{2}{3}$<\/span><\/p>Ch\u1ecdn D.<\/strong> $\\dfrac{2}{3}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-03 07:34:03","option_type":"math","len":0},{"id":"6839","post_id":"6666","mon_id":"1158921","chapter_id":"1158935","question":"Ch\u1ecdn ng\u1eabu nhiên m\u1ed9t s\u1ed1 có m\u1ed9t ch\u1eef s\u1ed1. Có bao nhiêu k\u1ebft qu\u1ea3 thu\u1eadn l\u1ee3i cho bi\u1ebfn c\u1ed1: "S\u1ed1 \u0111\u01b0\u1ee3c ch\u1ecdn là s\u1ed1 l\u1ebb"?<\/p>","options":["A.<\/strong> 2","B.<\/strong> 5","C.<\/strong> 4","D.<\/strong> 3"],"correct":"2","level":"1","hint":"","answer":"Có 5 <\/strong>k\u1ebft qu\u1ea3 thu\u1eadn l\u1ee3i cho bi\u1ebfn c\u1ed1: "S\u1ed1 \u0111\u01b0\u1ee3c ch\u1ecdn là s\u1ed1 l\u1ebb" là: 1; 3; 5; 7; 9.<\/p>Ch\u1ecdn B.<\/strong> 5<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-09-03 07:39:04","option_type":"txt","len":0}]}