{"common":{"save":0,"post_id":"7639","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1367","post_id":"7639","mon_id":"1159414","chapter_id":"1159426","question":"<p>Có bao nhiêu s\u1ed1 th\u1eadp phân x có m\u1ed9t ch\u1eef s\u1ed1 sau d\u1ea5u ph\u1ea9y th\u1ecfa mãn<br \/>3,13 < x < 3,53 ?<\/p>","options":["<strong>A.<\/strong> 4","<strong>B.<\/strong> 5","<strong>C.<\/strong> 6","D. 7"],"correct":"1","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 4.<\/span><\/p><p>Các s\u1ed1 th\u1eadp phân x có m\u1ed9t ch\u1eef s\u1ed1 sau d\u1ea5u ph\u1ea9y th\u1ecfa mãn \u0111i\u1ec1u ki\u1ec7n là <strong>3,2; 3,3; 3,4; 3,5<\/strong>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-13 02:27:37","option_type":"txt","len":0},{"id":"1368","post_id":"7639","mon_id":"1159414","chapter_id":"1159426","question":"<p>Có bao nhiêu s\u1ed1 th\u1eadp phân x có hai ch\u1eef s\u1ed1 \u1edf ph\u1ea7n th\u1eadp phân sao cho<br \/>0,2 < x < 0,3 ?<\/p>","options":["<strong>A.<\/strong> 8","<strong>B.<\/strong> 7","<strong>C.<\/strong> 10","<strong>D.<\/strong> 9"],"correct":"4","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 9.<\/span><\/p><p>Các s\u1ed1 th\u1eadp phân x có hai ch\u1eef s\u1ed1 \u1edf ph\u1ea7n th\u1eadp phân sao cho 0,2 < x < 0,3 là <strong>0,21; 0,22; 0,23; 0,24; 0,25; 0,26; 0,27; 0,28; 0,29<\/strong>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-13 02:30:07","option_type":"txt","len":0},{"id":"1371","post_id":"7639","mon_id":"1159414","chapter_id":"1159426","question":"<p>S\u1eafp x\u1ebfp các s\u1ed1 2,25; 7,32; <span class=\"math-tex\">$\\dfrac{625}{100}$<\/span>; 2,089 theo th\u1ee9 t\u1ef1 gi\u1ea3m d\u1ea7n.<\/p>","options":["<strong>A.<\/strong> 7,32 ; <span class=\"math-tex\">$\\dfrac{625}{100}$<\/span> ; 2,25 ; 2,089","<strong>B.<\/strong> 7,32 ; 2,25 ; <span class=\"math-tex\">$\\dfrac{625}{100}$<\/span> ; 2,089","<strong>C.<\/strong> 2,089 ; 2,25 ; <span class=\"math-tex\">$\\dfrac{625}{100}$<\/span> ; 7,32","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{625}{100}$<\/span> ; 7,32 ; 2,25 ; 2,089"],"correct":"1","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 7,32 ; <span class=\"math-tex\">$\\dfrac{625}{100}$<\/span> ; 2,25 ; 2,089.<\/span><\/p><p><span class=\"math-tex\">$\\dfrac{625}{100}=6,25$<\/span> <\/p><p>Vì 7,32 > 6,25 > 2,25 > 2,089 nên s\u1eafp x\u1ebfp các s\u1ed1 theo th\u1ee9 t\u1ef1 gi\u1ea3m d\u1ea7n ta \u0111\u01b0\u1ee3c 7,32 ; <span class=\"math-tex\">$\\dfrac{625}{100}$<\/span> ; 2,25 ; 2,089.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-13 02:34:45","option_type":"math","len":0}]}