Một cửa hàng trong 3 ngày bán được 2 tấn đường . Ngày đầu bán được 800kg . Ngày thứ 2 bán được số đường bằng \(\dfrac{4}{5}\) số đường bán được trong ngày đầu . Hỏi ngày thứ ba bán được bao nhiêu ki - lô - gam đường ? đầy đủ tick nhé
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10 tháng 10 2021
Đổi: 2 tấn = 2000 kg
Số kg đường ngày hai bán được:
\(800\times\dfrac{4}{5}=640\left(kg\right)\)
Số kg đường ngày 3 bán được:
\(2000-800-640=560\left(kg\right)\)
10 tháng 10 2021
Ngày thứ ba bán được:
\(2000-800-800\cdot\dfrac{4}{5}=560\left(kg\right)\)
LY
7 tháng 10 2018
đổi 2 tấn=2000kg
tự tóm tắt nhé:
ngày thứ hai bán đc số kg đường là:
800x4/5=...........(kg)
ngày thứ 3 bấn đc số kg đường là:
2000-800-.....=........
đ/s
xin lỗi vì mk ko tính ra cho bn nhé
LS
11 tháng 10 2021
Câu hỏi của lala school - Toán lớp 5 - Học trực tuyến OLM
đây là link nhé bạn
11 tháng 10 2021
Ngày thứ ba bán được:
\(2000-800-800\cdot\dfrac{4}{5}=560\left(kg\right)\)
BA
22 tháng 9 2019
Đổi 2 tấn = 2000 kg
Ngày thứ hai bán được số kg đường là
\(800\cdot\frac{4}{5}=640\)( kg)
Ngày thứ 3 bán được số kg đường là
\(2000-800-640=560\)( kg)
JK
22 tháng 9 2019
2 tấn = 2000 kg
ngày thứ 2 bán được :
800 x 4/5 = 640 (kg)
ngày thứ 3 bán được :
2000 - 800 - 640 = 560 (kg)
CM
10 tháng 2 2019
1 tấn = 1000 kg
Ngày thứ hai bán được : 300 x 2 = 600 (kg)
Hai ngày đầu bán được : 300 + 600 = 900 (kg)
Ngày thứ ba bán được : 1000 - 900 = 100 (kg)
Đáp số: 100kg đường.
CM
10 tháng 11 2017
1 tấn = 1000 kg
Ngày thứ hai bán được : 300 x 2 = 600 (kg)
Hai ngày đầu bán được : 300 + 600 = 900 (kg)
Ngày thứ ba bán được : 1000 - 900 = 100 (kg)
Đáp số: 100kg đường.
8 tháng 12 2021
Đổi 1,5 tấn = 1500kg
Ngày thứ 2 cửa hàng bán được: 350x2 = 700(kg)
Ngày thứ 3 cửa hàng bán được: 1500-700-350=450(kg)
12 tháng 7 2018
Ta có :1 tấn=1000kg
Ngày thứ 2 bán đc số đường là :300x2=600(kg)
=>Ngày thứ 3 bán đc số đường là:1000-300-600=100(kg)
Đáp số:100kg đường.
12 tháng 7 2018
1 tấn = 1000 kg đường
Ngày thứ 2 bán được: 300 x 2 = 600 ( kg )
Ngày thứ 3 bán được: 1000 - 600 - 300 =100 (kg)
5 tháng 10 2021
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8 tháng 11 2016
ĐỔI 2 tấn = 2000 kg
Ngày thứ 2 cửa hàng bán được số ki lô gam đường là
400 * 3/5 = 240 <kg>
Cửa hàng đã bán được số ki lô gam đường là
2000 - <400+240> = 1360 <kg>
Ngày thứ 2 bán được số kg đường là :
800 x 4/5 = 640 ( kg )
Số kg đường ngày thứ 3 bán được là :
2000 - 800 - 640 = 560 ( kg )
1040 ngày thứ ba