问题描述:
把0,1,2,3,4,5,6,7,8,9十个数填在口里,每个数只用一次.口十口=口十口=口十口=
把0,1,2,3,4,5,6,7,8,9十个数填在口里,每个数只用一次.
口十口=口十口=口十口=口十口=口十口
把0,1,2,3,4,5,6,7,8,9十个数填在口里,每个数只用一次.
口十口=口十口=口十口=口十口=口十口
问题解答:
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