Bài toán liên quan đến rút về đơn vị

Home Lớp 4 Toán lớp 4 - Sách Kết nối tri thức Bài 47- Bài toán liên quan đến rút về đơn vịBài tập nâng cao

{"common":{"save":0,"post_id":"6885","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2131","post_id":"6885","mon_id":"1159012","chapter_id":"1159015","question":"Lan mua 5 chi\u1ebfc th\u01b0\u1edbc k\u1ebb cùng lo\u1ea1i ph\u1ea3i tr\u1ea3 60 000 \u0111\u1ed3ng. H\u1ecfi Mai có 48 000 \u0111\u1ed3ng thì mua \u0111\u01b0\u1ee3c m\u1ea5y chi\u1ebfc th\u01b0\u1edbc k\u1ebb lo\u1ea1i \u0111ó?<\/p>","options":["A.<\/strong> 5 chi\u1ebfc","B.<\/strong> 4 chi\u1ebfc","C.<\/strong> 6 chi\u1ebfc","D.<\/strong> 8 chi\u1ebfc"],"correct":"2","level":"3","hint":"","answer":"Giá c\u1ee7a m\u1ed9t chi\u1ebfc th\u01b0\u1edbc k\u1ebb là 60 000 : 5 = 12 000 \u0111\u1ed3ng.<\/p>Mai mua \u0111\u01b0\u1ee3c s\u1ed1 chi\u1ebfc th\u01b0\u1edbc nh\u01b0 th\u1ebf là  48 000 : 12 000 = 4 chi\u1ebfc.<\/p>Ch\u1ecdn  B.<\/strong> 4 chi\u1ebfc.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-01-17 02:31:22","option_type":"txt","len":0},{"id":"2132","post_id":"6885","mon_id":"1159012","chapter_id":"1159015","question":"Mua 5 cái bánh pizza cùng lo\u1ea1i thì ph\u1ea3i tr\u1ea3 400 000 \u0111\u1ed3ng. Mua 3 ph\u1ea7n gà rán cùng lo\u1ea1i thì ph\u1ea3i tr\u1ea3 135 000 \u0111\u1ed3ng. H\u1ecfi n\u1ebfu mua 2 cái bánh pizza lo\u1ea1i \u0111ó và 1 ph\u1ea7n gà rán lo\u1ea1i \u0111ó thì ph\u1ea3i tr\u1ea3 bao nhiêu ti\u1ec1n?<\/p>","options":["A.<\/strong> 250 000 \u0111\u1ed3ng","B.<\/strong> 210 000 \u0111\u1ed3ng","C.<\/strong> 205 000 \u0111\u1ed3ng","D.<\/strong> 220 000 \u0111\u1ed3ng"],"correct":"3","level":"3","hint":"","answer":"Giá c\u1ee7a m\u1ed9t cái bánh pizza  lo\u1ea1i \u0111ó là  400 000 : 5 = 80 000 \u0111\u1ed3ng.<\/p>Giá c\u1ee7a m\u1ed9t ph\u1ea7n gà rán lo\u1ea1i \u0111ó là  135 000 : 3 = 45 000 \u0111\u1ed3ng.<\/p>Mua 2 cái bánh pizza và 1 ph\u1ea7n gà rán nh\u01b0 th\u1ebf ph\u1ea3i tr\u1ea3 s\u1ed1 ti\u1ec1n là<\/p>80 000 x 2 + 45 000<\/p>= 160 000 + 45 000<\/p>= 205 000 \u0111\u1ed3ng.<\/p>Ch\u1ecdn   C.<\/strong> 205 000 \u0111\u1ed3ng.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-01-17 02:34:46","option_type":"txt","len":1},{"id":"2134","post_id":"6885","mon_id":"1159012","chapter_id":"1159015","question":"Mua 4 \u0111ôi giày th\u1ec3 thao cùng lo\u1ea1i thì ph\u1ea3i tr\u1ea3 600 000 \u0111\u1ed3ng. Mua 6 \u0111ôi t\u1ea5t cùng lo\u1ea1i thì ph\u1ea3i tr\u1ea3 120 000 \u0111\u1ed3ng. H\u1ecfi n\u1ebfu mua 1 \u0111ôi giày th\u1ec3 thao và 3 \u0111ôi t\u1ea5t nh\u01b0 th\u1ebf thì ph\u1ea3i tr\u1ea3 bao nhiêu ti\u1ec1n?<\/p>","options":["A.<\/strong> 200 000 \u0111\u1ed3ng","B.<\/strong> 210 000 \u0111\u1ed3ng","C.<\/strong> 230 000 \u0111\u1ed3ng","D.<\/strong> 240 000 \u0111\u1ed3ng"],"correct":"2","level":"3","hint":"","answer":"Giá c\u1ee7a m\u1ed9t \u0111ôi giày th\u1ec3 thao lo\u1ea1i \u0111ó là 600 000 : 4 = 150 000 \u0111\u1ed3ng.<\/p>Giá c\u1ee7a m\u1ed9t \u0111ôi t\u1ea5t lo\u1ea1i \u0111ó là  120 000 : 6 = 20 000 \u0111\u1ed3ng.<\/p>Mua 1 \u0111ôi giày th\u1ec3 thao và 3 \u0111ôi t\u1ea5t nh\u01b0 th\u1ebf ph\u1ea3i tr\u1ea3 s\u1ed1 ti\u1ec1n là <\/p>150 000 + 20 000 x 3<\/p>= 150 000 + 60 000<\/p>= 210 000 \u0111\u1ed3ng.<\/p>Ch\u1ecdn  B.<\/strong> 210 000 \u0111\u1ed3ng.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-01-17 02:39:11","option_type":"txt","len":1}]}