这道数学题加急!!!希望能尽快帮助回答!!!
Iwanttopainttheoutsidewallsofmyhouse.Atinofpaintcovers25m^2,correcttothenearest5m^2.T...
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.
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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.
希望能尽快帮助回答~~~ 展开
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320/25=12余数是20
所以至少需要12+1=13(tin)
所以至少需要12+1=13(tin)
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E文不好。。
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lz是读不懂题呢 还是不会算呢?
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