问题
解答题
从一张长20厘米，宽15厘米的长方形纸上剪下一个最大的正方形，这个正方形的周长是______厘米．
答案
从一张长20厘米，宽15厘米的长方形纸上剪下一个最大的正方形的边长是15厘米，
周长是：15×4=60（厘米）．
答：这个正方形的周长是60厘米．
故答案为：60．
搜题请搜索小程序“爱下问搜题”
从一张长20厘米，宽15厘米的长方形纸上剪下一个最大的正方形，这个正方形的周长是______厘米．
从一张长20厘米，宽15厘米的长方形纸上剪下一个最大的正方形的边长是15厘米，
周长是：15×4=60（厘米）．
答：这个正方形的周长是60厘米．
故答案为：60．
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