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Số ki-lô-gam của 20 bao ngô là:
40x25=1000(kg)=1 tấn
Số ki-lô-gam gạo là:
50x20=1000(kg)=1 tấn
Xe đó chở số tấn gạo và ngô là:
1+1=2(tấn)
Đáp số:2 tấn
1﴿chiều rộng là: 78,2‐3,8=74,4
HCN=﴾78,2+74,4﴿*2=305,2
2﴿1 tấn gạo và 1 tấn ngô
3﴿2 số đó là: 27; 9,36
1)chiều rộng là: 78,2-3,8=74,4
HCN=(78,2+74,4)*2=305,2
2)1 tấn gạo và 1 tấn ngô
3)2 số đó là: 27; 9,36
30 bao ngô nặng : 30 x 60 =1800 (kg)
25 bao gạo nặng: 25 x 50=1250 (kg)
xe đó chở được : 1800+1250=3050kg = 3,05( tấn)
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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đổi 1,2 tấn =1200kg
1 bao nặng là :
1200:24=50(kg)
12 bao nặng là :
50x12=600(kg)
nếu thêm 12 bao nữa thì nặng số tấn là:
1200+600=1800(kg)=1,8 (tấn)
đáp số : 1,8 tấn
0,05 tấn = 50 kg
0,04 tấn = 40 kg
cân nặng 40 bao gạo là :
50 x 40 = 2000 ( kg )
cân nặng 50 bao ngô là :
40 x 50 = 2000 ( kg )
cân nặng 40 bao gạo và 50 bao ngô là :
2000 + 2000 = 4000 ( kg )
4000 kg = 4 tấn
ĐS:...
Bài giải:
Số tấn gạo có là :
40*0,05=2 ( tấn)
Số tấn ngô có là :
50*0,04=2 ( tấn)
Tổng số gạo và ngô có là:
2+2=4 (tấn)
Số kg gạo và ngô có là:
4 tấn = 4000 kg
Đ/s: 4 tấn
4000 kg