24cm=0.24m
15×0.24×3
=10.8
10.8×525=5670(块)
这都不会?楼主太二缺了吧?
24cm=0.24m 15×0.24×3=10.810.8×525=5670(块)楼主你一定选我啊!给点儿面子吧!
V=abh =15*24*3 =1080m 1080*525=567000 答------------------------------------------------
v???????15x3=24