已知(a+1)的2次方+(2b-3)的2次方+c-1的绝对值=0,求ab÷3c+a-c÷b的值

2024-12-16 13:29:33
推荐回答(1个)
回答1:

a+1=2b-3=c-1=0
a=-1 b=3/2 c=1

ab÷3c+a-c÷b
=-3/2÷3-1-1÷3/2
=-1/2-1-2/3
=-(1+7/6)
=负2又6分之1