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(1)(-5)×6×(-10)×(-8)(2)19又18/17×(-36)(3)(3/2-6/5-8/5)×(-24)(4)-3-(+7)
(5)(-52)+(-19)-(+37)-(-24)(6)(-3/2)-(+3/2)-(+4/3)-(-4/3)=多少要过程的
人气:339 ℃ 时间:2020-01-28 09:55:50
解答
(1) =-30×80=-2400 (2)=19×17×-2=-646 (3)=-24/19×(-24)=19 (4)=-3-7=-10
(5)=-52-19-37+24=-84 (6)=-3/4
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