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数学
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一个圆柱的高是9.42厘米,侧面展开是一个正方形,它的底面直径是______厘米.
人气:366 ℃ 时间:2020-02-04 11:03:23
解答
9.42÷3.14=3(厘米);
答:圆柱的底面直径是3厘米.
故答案为:3.
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