...高是1.5米,如果把这些小麦装入一个圆柱形粮囤
编辑: admin 2017-03-03
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4
(3.14×2 2 ×1.5× 1 3
)÷ 4 9 ÷9=(3.14×4×1.5× 1 3 )÷ 4 9 ÷9,
=(12.56×1.5× 1 3 )÷ 4 9 ÷9,
=(18.84× 1 3 )÷ 4 9 ÷9,
=6.28÷ 4 9 ÷9,
=14.13÷9,
=1.57(米);
答:这里粮囤的高是1.57米.