二倍根号3加三倍根号2的和乘以二倍根号3减三倍根号2的差(要过程)

问题描述:

二倍根号3加三倍根号2的和乘以二倍根号3减三倍根号2的差(要过程)

(2√3 + 3√2)(2√3 - 3√2) = (2√3) - (3√2) = 12 - 18 = -6