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计算:7/6*26/39-9/17+26/117-0.5/ 17/16
人气:187 ℃ 时间:2020-05-26 12:15:46
解答
7/6*26/39-9/17+26/117-0.5/ 17/16
=7/6*2/3-9/17+2/9-8/17
=7/9+2/9-(9/17+8/17)
=1-1
=0
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