(a+1)²与|b+½|互为相反数,他俩毛豆是大于等于0的,所以a=-1。b=-0.5
C=0 d=-1
所以-8*(7/8)*(1)=-7
(a+1)²与|b+½|互为相反数(a+1)²+|b+½|=0 a=-1 b=1/2 c=0 d=-1
8乘9/8乘1=9
(a+1)²与|b+½|互为相反数 =>(a+1)²+|b+½|=0=>两个都是0 即0+0=0
=> a=-1 ;b=-1/2 =>a²+b³=1+0.25=1.25
c=1 ;d=-1 =>c-d=2
=>(-2)^3 *1.25*2=-20...ans
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