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0
2022-05-21 09:51:20
Thời gian người đi xe đạp đi quãng đường ab là:
9 giờ -7 giờ =2 giờ
Quãng đường ab là:
12 × 2=24(km)
Đáp số.......
2022-05-18 14:45:26
Chiều rộng thửa ruộng là :
36÷3×2=24(m)
Chu vi thửa ruộng là:
(36+24)×2=120(m)
Diện tích thửa ruộng là:
36×24=864(m²)
Đáp số:120m,864m²
2022-02-18 08:17:13
2022-02-17 20:59:10
2022-02-17 20:55:03
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2022-02-17 20:55:03