求这道题化简步骤

2025-03-11 01:36:56
推荐回答(2个)
回答1:

=1*1-2*1*2根号3+(2*根号3)^2
=1-4*根号3+12
=13-4*根号3

回答2:

c=1-4√3+(2√3)^2=1-4√3+12=13-4√3