a,b互为相反数,c,d互为负倒数^3√a+b+^3√cd+1
问题描述:
a,b互为相反数,c,d互为负倒数^3√a+b+^3√cd+1
答
c,d互为负倒数,cd=-1
a,b互为相反数,a+b=0
^3√a+b+^3√cd+1=0