Đo chiều dài - Bài tập trung bình

Home Lớp 6 Khoa học tự nhiên 6 - Sách kết nối tri thức Bài 5: Đo chiều dàiBài tập trung bình

{"common":{"save":0,"post_id":"4751","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7776","post_id":"4751","mon_id":"1158149","chapter_id":"1158153","question":"\u0110\u01a1n v\u1ecb \u0111o \u0111\u1ed9 dài th\u01b0\u1eddng dùng là \u0111\u01a1n v\u1ecb gì?<\/p>","options":["ºC, K","cm3<\/sup>, m3<\/sup><\/span>"," cm, dm, m, km<\/span>"," kg, t\u1ea5n, t\u1ea1, y\u1ebfn<\/span>"],"correct":"3","level":"2","hint":"","answer":"\u0110\u01a1n v\u1ecb \u0111o \u0111\u1ed9 dài th\u01b0\u1eddng dùng là cm, dm, m, km<\/strong><\/span><\/p>Ví d\u1ee5: Chi\u1ebfc bút bi dài 15 cm; Cái c\u1eeda s\u1ed5 cao 1 m; Quãng \u0111\u01b0\u1eddng t\u1eeb nhà em \u0111\u1ebfn tr\u01b0\u1eddng là 3 km.<\/p>(ºC, K<\/strong> là \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9; cm3, m3 <\/strong>là \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 tích; kg, t\u1ea5n, t\u1ea1, y\u1ebfn<\/strong> là là \u0111\u01a1n v\u1ecb \u0111o kh\u1ed1i l\u01b0\u1ee3ng.)<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"1","date":"2021-09-29 01:32:01","option_type":"txt","len":2},{"id":"7777","post_id":"4751","mon_id":"1158149","chapter_id":"1158153","question":"Khi \u0111o \u0111\u1ed9 dài ng\u01b0\u1eddi ta dùng d\u1ee5ng c\u1ee5 gì?<\/p>","options":["A.<\/strong> Cân","B.<\/strong> Nhi\u1ec7t k\u1ebf<\/span>","C.<\/strong> Bình chia \u0111\u1ed9<\/span>","D. <\/strong>Th\u01b0\u1edbc \u0111o \u0111\u1ed9 dài<\/span>"],"correct":"4","level":"2","hint":"","answer":"\u0110áp án \u0111úng là: D. Th\u01b0\u1edbc \u0111o \u0111\u1ed9 dài<\/strong><\/span><\/p>(Cân là d\u1ee5ng c\u1ee5 \u0111\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt; Nhi\u1ec7t k\u1ebf dùng \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9;<\/span> Bình chia \u0111\u1ed9 là dùng \u0111\u1ec3 \u0111o th\u1ec3 tích ch\u1ea5t l\u1ecfng;)<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"1","date":"2021-09-29 01:48:03","option_type":"txt","len":2},{"id":"7778","post_id":"4751","mon_id":"1158149","chapter_id":"1158153","question":"\u0110\u1ed9 chia nh\u1ecf nh\u1ea5t c\u1ee7a th\u01b0\u1edbc là gì?<\/p>","options":["A. Giá tr\u1ecb cu\u1ed1i cùng ghi trên th\u01b0\u1edbc ","B. Giá tr\u1ecb nh\u1ecf nh\u1ea5t ghi trên th\u01b0\u1edbc","C. \u0110\u1ed9 dài 2 v\u1ea1ch chia liên ti\u1ebfp ","D. Giá tr\u1ecb l\u1edbn nh\u1ea5t ghi trên th\u01b0\u1edbc"],"correct":"3","level":"2","hint":"","answer":"\u0110áp án \u0111úng là: C. \u0110\u1ed9 dài 2 v\u1ea1ch chia liên ti\u1ebfp <\/strong><\/span><\/p>Khái ni\u1ec7m \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t c\u1ee7a th\u01b0\u1edbc (\u0110CNN) là \u0111\u1ed9 dài gi\u1eefa hai v\u1ea1ch chia liên ti\u1ebfp trên th\u01b0\u1edbc.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"139","test":"1","date":"2021-09-29 01:53:37","option_type":"txt","len":3}]}