计算:(√3+√2-1)×(√3-√2+1)?

2025-02-26 07:03:27
推荐回答(2个)
回答1:

(√3+√2-1)×(√3-√2+1)
=-(-√3-√2+1)×(√3-√2+1)
=-[(-√2+1)²-(√3)²]
=-[1-2√2+2-3]
=-2√2
如有错误,请谅解!

回答2:

(√3+√2-1)×(√3-√2+1)
=[√3+(√2-1)]x[√3-(√ 2-1)]
=(√3)² -(√ 2- 1)²
=3-2+2√2-1
=2√2