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30 tháng 10 2017
xe đó chở được số kg gạo là:
18*50+15*20 = 1200 (kg)
đổi: 1200 kg = 12 tạ
đáp số: 12 tạ gạo.
5 tháng 8 2017
xe đó chở số kg gạo là:
(50x18)+20x15=1200(kg)
Đổi :1200kg=12 tấn
Đáp số:12 tấn
TH
23 tháng 10 2021
Đổi: 2 tạ 50 kg = 2.5 tạ
Số gạo nếp xe chở là: 7/10 = 0.7 (tạ)
Số gạo tẻ xe chở là: 4/5 = 0.8 (tạ)
=> Số tạ ngô xe chở là: 2.5 - 0.8 - 0.7 = 1 (tạ)
17 tháng 10 2017
7/10 tạ = 0,7 tạ
4/5 tạ =0,8 tạ
2 tạ 50 kg = 2,05 tạ
Xe đó chở được số tạ ngô là :
2,05 - 0,7 - 0,8 = 0,55 (tạ)
Đáp số : 0,55 tạ
17 tháng 10 2017
Mình sửa lại chút nha !
Đổi : 7/10 tạ = 0,7 tạ
4/5 tạ = 0,8 tạ
2 tạ 50 kg = 2,5 tạ
Xe đó chở đc số tạ ngô là :
2,5 - (0,7+0,8) = 1 (tạ)
Đáp số : 1 tạ
Sory bạn,Mình làm lộn ở chỗ đổi 2 tạ 50 kg nha !!!
TG
21 tháng 10 2016
7/10 tạ = 0,7 tạ
4/5 tạ = 8/10 tạ = 0,8 tạ
5 tạ 20 kg = 5,2 tạ
Số tạ ngô xe tải chở : 5,2 - (0,7 + 0,8) = 3,7 tạ
19 tháng 11 2020
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
8 tháng 10 2022
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C
14 tháng 10 2021
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
14 tháng 10 2021
Xe đó chở \(30\times40+40\times20=1200+800=2000\left(kg.gạo\right)=2\left(tấn.gạo\right)\)
20 tạ nha bạn