Ôn tập phép cộng, phép trừ trong phạm vi 1000

Home Toán lớp 3 (Sách Kết nối)Toán lớp 3 - Tập 1 Bài 2: Ôn tập phép cộng, phép trừ trong phạm vi 1000Bài tập trung bình

{"common":{"save":0,"post_id":"5727","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"745","post_id":"5727","mon_id":"1158530","chapter_id":"1158575","question":"Kh\u1ed1i l\u1edbp M\u1ed9t có 246 h\u1ecdc sinh, kh\u1ed1i l\u1edbp Hai có ít h\u01a1n kh\u1ed1i l\u1edbp M\u1ed9t 48 h\u1ecdc sinh. H\u1ecfi kh\u1ed1i l\u1edbp Hai có bao nhiêu h\u1ecdc sinh ?<\/p>","options":["199 h\u1ecdc sinh","198 h\u1ecdc sinh","208 h\u1ecdc sinh","298 h\u1ecdc sinh"],"correct":"2","level":"2","hint":"","answer":"Kh\u1ed1i l\u1edbp Hai có s\u1ed1 h\u1ecdc sinh là :<\/p>246 - 48 = 198 (h\u1ecdc sinh)<\/p>\u0110áp s\u1ed1: 198 h\u1ecdc sinh<\/strong><\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"129","test":"1","date":"2022-04-15 07:05:57","option_type":"txt","len":0},{"id":"746","post_id":"5727","mon_id":"1158530","chapter_id":"1158575","question":"Giá ti\u1ec1n m\u1ed9t phong bì là 500 \u0111\u1ed3ng, giá ti\u1ec1n m\u1ed9t tem th\u01b0 nhi\u1ec1u h\u01a1n giá ti\u1ec1n m\u1ed9t phong bì là 200 \u0111\u1ed3ng. H\u1ecfi giá ti\u1ec1n m\u1ed9t tem th\u01b0 là bao nhiêu ?<\/p>","options":["400 \u0111\u1ed3ng","500 \u0111\u1ed3ng","600 \u0111\u1ed3ng","700 \u0111\u1ed3ng"],"correct":"4","level":"2","hint":"","answer":"Giá ti\u1ec1n m\u1ed9t tem th\u01b0 là :<\/p>500 + 200 = 700 (\u0111\u1ed3ng)<\/p>\u0110áp s\u1ed1: 700 \u0111\u1ed3ng<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"129","test":"1","date":"2022-04-15 07:07:56","option_type":"txt","len":0},{"id":"747","post_id":"5727","mon_id":"1158530","chapter_id":"1158575","question":"M\u1ed9t \u0111\u1ed9i \u0111\u1ed3ng di\u1ec5n th\u1ec3 d\u1ee5c g\u1ed3m 294 ng\u01b0\u1eddi, trong \u0111ó có 124 nam. H\u1ecfi \u0111\u1ed9i \u0111\u1ed3ng di\u1ec5n th\u1ec3 d\u1ee5c \u0111ó có bao nhiêu n\u1eef?<\/p>","options":["418 n\u1eef","171 n\u1eef","170 n\u1eef","172 n\u1eef"],"correct":"3","level":"2","hint":"","answer":"\u0110\u1ed9i \u0111\u1ed3ng di\u1ec5n th\u1ec3 d\u1ee5c có s\u1ed1 n\u1eef là :<\/p>294 - 194 = 170 (n\u1eef)<\/p>\u0110áp s\u1ed1: 170 n\u1eef<\/strong><\/span><\/p>","type":"choose","extra_type":"shape1","time":"0","user_id":"129","test":"1","date":"2022-04-15 07:14:16","option_type":"txt","len":0}]}