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5又3/11-(2.375-1又8/11)-3又5/8
人气:110 ℃ 时间:2020-06-29 22:54:55
解答
5又3/11-(2.375-1又8/11)-3又5/8
=58/11-2.375+19/11-29/8
=77/11-2又3/8-29/8
=7-19/8-29/8
=7-48/8
=7-6
=1
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