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Cân nặng ban đầu của bao gạo:
\(10:\dfrac{1}{4}=40\left(kg\right)\)
2/5 của bao gạo nặng số ki-lô-gam là:
\(\dfrac{2}{5}\times40=16\left(kg\right)\)
Đáp số: 16 kg
Bao gạo cân nặng số ki-lô-gam là :
10 : 1/4 = 40 (kg)
2/5 bao gạo nặng số ki-lô-gam là :
40 x 2/5 = 16 ( kg )
Đáp số : 16 kg
Bao gạo đó cân nặng số ki-lô-gam là:
36: \(\frac{3}{5}\)= 60(kg)
Đáp số: 60kg
tk nhé
Số kg gạo tẻ là:
50 x 32 = 1600 (kg)
Số kg gạo nếp là:
59 x 45 = 2655 (kg)
Vậy có tổng cộng:
1600 + 2655 = 4255(kg) = 4,255 tấn
ĐS: 4,255 tấn
Khối lượng của 30 bao gạo tẻ là:
30 x 40 = 1200 ( kg )
Khối lượng của 40 bao gạo nếp là:
40 x 20 = 800 ( kg )
Đổi : 1200 kg = 1,2 tấn
800 kg = 0,8 tấn
Xe đó chở được số tấn gạo là:
1,2 + 0,8 = 2 ( tấn )
Đáp số : 2 tấn gạo
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1 bao gạo nặng
10:1/4= 40 (kg)
2/5 bao gạo nặng
40x 2/5= 16 (kg)
Bao gạo đó cân nặng là :
10 : \(\dfrac{1}{4}\) =40 ( kg )
\(\dfrac{2}{5}\) bao gạo đó nặng là :
40 x \(\dfrac{2}{5}\)=16 ( kg )
ĐS : 16 kg