一张长方形的纸对折4次,每份是这张纸的几分之几?
一张长方形的纸对折4次,每份是这张纸的几分之几?
数学人气:791 ℃时间:2019-09-22 09:29:55
优质解答
16分之1撒,就是2的N次方分之1!
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