一根绳子一半一半的剪下去,剪了4次,最后剩下3米,这根绳子原来长()
一根绳子一半一半的剪下去,剪了4次,最后剩下3米,这根绳子原来长()
要有能让六年级理解的思路
一定要有理解
要有能让六年级理解的思路
一定要有理解
数学人气:838 ℃时间:2019-08-20 19:17:33
优质解答
48米 ,就是3×2×2×2×2=48
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