{"common":{"save":0,"post_id":"4911","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"9012","post_id":"4911","mon_id":"1158195","chapter_id":"1158212","question":"<p>Trong các t\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3 sau \u0111ây, t\u1edd b\u1ea3n \u0111\u1ed3 nào có m\u1ee9c \u0111\u1ed9 chi ti\u1ebft cao nh\u1ea5t?<\/p>","options":["A. 1: 9.500.","B. 1: 900.000.","C. 1: 20.000.","D. 1: 500.000."],"correct":"1","level":"2","hint":"<p>Xem l\u1ea1i ki\u1ebfn th\u1ee9c v\u1ec1 t\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3.<\/p>","answer":"<p>T\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3 càng l\u1edbn thì m\u1ee9c \u0111\u1ed9 chi ti\u1ebft c\u1ee7a b\u1ea3n \u0111\u1ed3 càng cao. T\u1ec9 l\u1ec7 s\u1ed1: là m\u1ed9t phân s\u1ed1 luôn có t\u1eed là 1. M\u1eabu s\u1ed1 càng l\u1edbn thì t\u1ec9 l\u1ec7 càng nh\u1ecf và ng\u01b0\u1ee3c l\u1ea1i.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"137","test":"0","date":"2021-10-10 10:14:51","option_type":"txt","len":1},{"id":"9013","post_id":"4911","mon_id":"1158195","chapter_id":"1158212","question":"<p>Trong các t\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3 sau \u0111ây, t\u1edd b\u1ea3n \u0111\u1ed3 nào có m\u1ee9c \u0111\u1ed9 chi ti\u1ebft th\u1ea5p nh\u1ea5t?<\/p>","options":["A. 1 : 75.000.","B. 1 : 150.000.","C. 1 : 20.000.","D. 1 : 900.000."],"correct":"4","level":"2","hint":"<p>Xem l\u1ea1i ki\u1ebfn th\u1ee9c v\u1ec1 t\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3.<\/p>","answer":"<p>T\u1ec9 l\u1ec7 s\u1ed1 là m\u1ed9t phân s\u1ed1 luôn có t\u1eed là 1. M\u1eabu s\u1ed1 càng l\u1edbn thì t\u1ec9 l\u1ec7 càng nh\u1ecf và ng\u01b0\u1ee3c l\u1ea1i. B\u1ea3n \u0111\u1ed3 th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c vùng \u0111\u1ea5t r\u1ed9ng l\u1edbn nh\u1ea5t là b\u1ea3n \u0111\u1ed3.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"137","test":"0","date":"2021-10-10 10:15:42","option_type":"txt","len":1},{"id":"9014","post_id":"4911","mon_id":"1158195","chapter_id":"1158212","question":"<p>D\u1ef1a vào s\u1ed1 ghi t\u1ec9 l\u1ec7 \u0111\u1ed1i v\u1edbi b\u1ea3n \u0111\u1ed3 1 : 200.000, 3cm trên b\u1ea3n \u0111\u1ed3 t\u01b0\u01a1ng \u1ee9ng trên th\u1ef1c \u0111\u1ecba là<\/p>","options":["A. 60 km.","B. 6 km.","C. 60 m.","D. 600 cm."],"correct":"2","level":"2","hint":"<p>Kho\u1ea3ng cách th\u1ef1c \u0111\u1ecba = Kho\u1ea3ng cách trên b\u1ea3n \u0111\u1ed3 x t\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3.<\/p>","answer":"<p>Kho\u1ea3ng cách th\u1ef1c \u0111\u1ecba = Kho\u1ea3ng cách trên b\u1ea3n \u0111\u1ed3 x t\u1ec9 l\u1ec7 b\u1ea3n \u0111\u1ed3. \u0110\u1ed5i ra \u0111\u01a1n ki-lô-mét (km). Kho\u1ea3ng cách th\u1ef1c \u0111\u1ecba = 3×200 000 = 600 000 (cm) = 6 (km).<\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"137","test":"0","date":"2021-10-10 10:16:37","option_type":"txt","len":0}]}
