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I want to paint the outside walls of my house.

来源:学生作业帮 编辑:神马作文网作业帮 分类:综合作业 时间:2024/11/06 21:33:10
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.
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)