(1)5√5+9√5-2√5

问题描述:

(1)5√5+9√5-2√5
(2)2|√2-√3|+2√2
(3)|√6-√2|+|√2-1|-|3-√6|
(4)2√3+3√2-5√3-3√2

1、= 14√5-2√5 = 12√5
2、= 2√3-2√2+2√2 = 2√3
3、= √6-√2+√2-1-(3-√6)= √6-1-3+√6 = 2√6-2
4、=2√3-5√3 = -3√3.