看见就头疼给你几个吧√28 x√7 (√5+3)(√5-3) 3√1/2 x (√8-√2)√28 x√7 (√5+3)(√5-3) 3√1/2 x (√8-√2) √28 x√7 (√5+3)(√5-3) 3√1/2 x (√8-√2) √28 x√7 (√5+3)(√5-3) 3√1/2 x (√8-√2)
