一根长方体木料长2米，宽和高都是2分米，把它锯成3段，表面积至少增加平方分米．_刷题宝

题干

一根长方体木料长2米，宽和高都是2分米，把它锯成3段，表面积至少增加（）平方分米．

A：8

B：16

C：24

D：12

上一题下一题 0.0难度选择题更新时间:2020-01-02 05:39:54

答案(点此获取答案解析）

B

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