1.
根号48-根号27+根号3分之1
2.
(根号5-根号2)(根号5+根号2)+(根号3然后-1)²
要详细滴过程各位大神们!!!
解:
√48 -√27+1/√3
=4√3-3√3+√3/3
=(4-3+1/3)√3
=4√3 /3
(√5-√2)(√5+√2)+(√3 -1)²
=5-2+3-2√3 +1
=7-2√3
O(∩_∩)O~