I want to paint the outside walls of my house.A tin of paint covers 25 m^2,correct to the nearest 5 m^2.The outside walls of my house have an area of 320 m^2,correct to the nearest 10 m^2.Calculate the maximum number of tins of paint I may have to bu

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I want to paint the outside walls of my house.A tin of paint covers 25 m^2,correct to the nearest 5 m^2.The outside walls of my house have an area of 320 m^2,correct to the nearest 10 m^2.Calculate the maximum number of tins of paint I may have to bu

I want to paint the outside walls of my house.A tin of paint covers 25 m^2,correct to the nearest 5 m^2.The outside walls of my house have an area of 320 m^2,correct to the nearest 10 m^2.Calculate the maximum number of tins of paint I may have to bu
I want to paint the outside walls of my house.
A tin of paint covers 25 m^2,correct to the nearest 5 m^2.
The outside walls of my house have an area of 320 m^2,correct to the nearest 10 m^2.
Calculate the maximum number of tins of paint I may have to buy.

I want to paint the outside walls of my house.A tin of paint covers 25 m^2,correct to the nearest 5 m^2.The outside walls of my house have an area of 320 m^2,correct to the nearest 10 m^2.Calculate the maximum number of tins of paint I may have to bu
我要刷我家的墙.
一听涂料能刷25平方米,保留到5平方米（精确到）
墙的面积大约320平方米,保留到10平方米（精确到）
我最多需要买多少涂料
一听涂料至少能刷：24.5平方米
墙面积最多为：324平方米
最多需要买：324÷24.5≈14听（进一）

f

lz是读不懂题呢 还是不会算呢？

320/25=12余数是20
所以至少需要12+1=13（tin）

E文不好。。

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