(-30.1)+12.5+30.1+(+2/1)+(-4/3)+(-7.25) 18+(-32)+(-16)+26

单向街2022-10-04 11:39:541条回答

(-30.1)+12.5+30.1+(+2/1)+(-4/3)+(-7.25) 18+(-32)+(-16)+26
若|a+1|+|b-1|=0,则2+b=()

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AMG悍马 共回答了20个问题 | 采纳率95%
(-30.1)+12.5+30.1+(+2/1)+(-4/3)+(-7.25)
=(-30.1+30.1)+(12.5+2/1)-(4/3+7.25)
=13-8
=5
18+(-32)+(-16)+26
=(18+26)-(32+16)
=44-48
=-4
1年前

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