(1) 3√8+2√32-√50(2)(3√1/2-√12)-(9√1/27-2√1/8)(3) 9√45÷3√1/5×3/2√8/3(4)〔√6x+2√(x-1)〕〔√6x-2√(x-1)〕注:“/”是分数线能做几道就做几道,最好全部完成,全部写出正确者,

问题描述:

(1) 3√8+2√32-√50
(2)(3√1/2-√12)-(9√1/27-2√1/8)
(3) 9√45÷3√1/5×3/2√8/3
(4)〔√6x+2√(x-1)〕〔√6x-2√(x-1)〕
注:“/”是分数线
能做几道就做几道,最好全部完成,全部写出正确者,

3√8+2√32-√50
=6√2+8√2-5√2
=9√2