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(4/11+1/17)*11+6/17(简算)
人气:374 ℃ 时间:2020-04-01 20:41:46
解答
(4/11+1/17)*11+6/17
=4/11*11+1/17*11+6/17
=4+(11/17+6/17)
=4+1
=5
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