根号(4b-4)+|5a+5|+(3c-3)^2求a+b+c的值
问题描述:
根号(4b-4)+|5a+5|+(3c-3)^2求a+b+c的值
答
根号(4b-4)+|5a+5|+(3c-3)^2=0
根号(4b-4)=0
|5a+5|=0
(3c-3)^2=0
4b-4=0
b=1
5a+5=0
a=-1
3c-3=0
c=1
a+b+c=-1+1+1=1