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数学简算题:(41/12-10/7)-(18/7-19/12)
人气:358 ℃ 时间:2020-04-04 09:25:17
解答
(41/12-10/7)-(18/7-19/12)
=41/12-10/7-18/7+19/12
=41/12+19/12-(10/7+18/7)
=60/12-28/7
=5-4
=1
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