计算(根号2+1)(根号2-1)-(根号3-2)平方

2025-01-03 23:41:26
推荐回答(3个)
回答1:

=(2-1)-(3-4√3+4)=1-7+4√3=4√3-6

回答2:

=(√2)²-1-(3-4√3+4)
=2-1-3+4√3-4
=-6+4√3

回答3:

retret