2米=200厘米
200×5×2×20
=2000×20
=40000立方厘米
=40立方分米
有20根长2米,宽5厘米,高2厘米的长方体木料,体积一共是多少立方分米
有20根长2米,宽5厘米,高2厘米的长方体木料,体积一共是多少立方分米
数学人气：566 ℃时间：2019-10-19 08:05:46
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