9.有50根横截面是4平方厘米的木料,每根长1米.这些木料共有多少立方分米?
9.有50根横截面是4平方厘米的木料,每根长1米.这些木料共有多少立方分米?
数学人气:277 ℃时间:2020-03-21 14:26:24
优质解答
4平方厘米=0.04平方分米,1米=10分米,总体积V=0.04乘10乘50=20平方分米
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