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2022-11-03 22:10:12
hai bản nha
2022-11-03 22:09:14
Nửa chu vi hình chữ nhật là :
250 : 2 = 125 ( m )
Chiều rộng là :
125 : ( 2 + 3 ) x 2 = 50 ( m )
Chiều dài là :
50 : 2 x 3 = 75 ( m )
Diện tích hình chữ nhật là :
75 x 50 = 3750 ( m2)
Thu hoạch dc số kg thóc là :
3750 : 100 x 65 = 2437,5 ( kg )
Đổi : 2437,5 kg = 2,4375 tấn
Đáp số : 2,4375 tấn