Bài 1. Rút gọn
1. A=
= √24-√48+ √4-2√3
3. C=2020-2√2+√12+8√2
5. N =
3+√√5
√10+√3+ √ √√10+√3-√5
7. M=(-
2.B = 2√9+4√5-√29–12√5
4. M = √13+30√2+ √9+4√2
+(
√7+√√2
3-√√√5
9- -2√14 9+2√14
6. P=(-
√7-√√2
=)(√√2+1)
√2+√√√3+ √4+ √√5
√√2+√√3+ √√√5+ √6+ √8+ √10+ √16