mỗi bao gạo nặng 5kg.Hỏi 40 kg gạo thì có bao nhiêu bao?
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TH
8 tháng 11 2017
20 bao gao nep can nang so kg la:
20x45=900(kg)
20 bao gao te can nang so kg la:
20x40=800(kg)
Xe do can nang so kg la:
900+800=1700(kg)
D/S:1700 kg
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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20 tháng 4 2016
có số bao gạo ( ngô ) là:
3150: ( 50+40) = 35 (bao )
có số kg ngô là :
35*40=1400 (kg)
có số kg gạo là:
3150-1400=1750 ( kg )
đáp số : 1750 kg gạo
1400 kg ngô
31 tháng 1 2016
Số kg gạo tẻ là:
30.40=1200 (kg)
Số gạo nếp là:
40.20=800 (kg)
Xe chở số tấn gạo là:
800+1200=2000(kg)
2000 kg=2 tấn
Đáp số : 2 tấn
5 tháng 12 2021
500 bao cân nặng số ki-lô-gam gạo là :
\(40\times500=20000\left(kg\right)\)
nẾU CHẤT LÊN TÀU ẤY MÀ MỖI BAO NẶNG 80 kg thì có thể chở số bao là :
\(20000\div80=250\left(bao\right)\)
Đáp số : \(250bao\)
~Đúng thì mn~
NT
5
7 tháng 8 2016
Phân số chỉ 5 kg là:
\(\frac{1}{4}-\frac{1}{5}=\frac{1}{20}\)(kg)
Bao gạo đó nặng là:
\(5:\frac{1}{20}=100\)(kg)\(=1\) tạ
Đáp số:1 tạ
7 tháng 8 2016
vì 1/4 bao gạo nặng hơn 1/5 bao gạo là 5kg nên ta có:\(\frac{1}{4}-\frac{1}{5}=\frac{1}{20}=5\)
vậy bao gạo đó nặng số kg là: \(20\times5=100\)(kg)
đổi 100kg = 1 tạ
vậy bao gạo đó nặng 1 tạ
17 tháng 7 2015
Số gạo đó là :
\(180\times50=9000\) (kg)
Có thể chở được là :
\(9000\div45=200\) (bao gạo)
17 tháng 7 2015
Nếu chất lên xe các bao gạo . mỗi bao 45 kg thì có thể chở được :
45 x 180 : 50 = 162 ( bao )
Đáp số : 162 bao
DT
20 tháng 10 2021
Đáp án:
Giải thích các bước giải:
BÀI 14 :
180 bao cân nặng số kg là
180×50=9000 ( kg )
nếu mỗi bao gạo cân nặng 45 kg thì xe đó chở được số bao là
9000÷45=200 ( bao )
bài 15 :
6 ngày gấp 3 ngày số lần là
6÷3=2 ( lần )
3 ngày cần phải thêm số người là
12×2-12=12 ( người )
2072m²=0,2072ha
có 8 bao gạo nha
HT
k cho mình nha
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8 bao gạo