Tính giá trị của mỗi biểu thức sau

1
2
3
4
5
6
7
10
11
12
13
14
15
√20+2√45-15,
√√35-√7 12
√5-1 √√7-1
+
√√8+2√7-√28
18
19
A = 4√8-√√72+5₂
B =
A =
B =
5+√5 3+√3
√5
√3+1
V 3
8
2
16
9 √(2-√3)² + √73² +1-6√ 150
√√3+1
3
+
C =
+5√2.2√/2
+
50
3
√√2-1
2√45+√5-3√80
√14-√√√√15-√√5)
+
√3-1
9
√10-1
√√24 √6
+
A = √(2-√3)² +2√³ ;
B=√18-2√√50 +3√8+2√/27;
4
10
+
√5-1 √5 √5
5√/20-3√12+5√-2√/27
-(√3+√5)
√125+2+√√6-2√5
5√√2-√5
√√5
+
16 5√12 +4√27-6√48
17 (√300-2√675 +5√75):√3
√125 + √2. √²/2
1
1
√5-√3 √5+√3
2
2
4-2√3 4+2√3
√7-√5
21
22 √(2-3√2)-√3+2√2
√12-2√√27+3√75-√48
23
24
25
26
27
28
30
31
32
33
34
35
36
37
B=√17+12√2+√17-12√2
29 3√/45+ √(2-√5)²
38
39
1
1
5. +- √20-√45
5 2
1
√√3-2
√√26-√13 1
√13
√√4+2√3
√15-√3√300
+
1-√√5 10
3
3+√√6
2-1
√12-2√48+√75-5√3
5
2
2+√3
3
3+√√6
-√√27
(√7-√3)²+ √84
√5(√20-3) +√45
+
10
√5+2
√10-4√6 +6
+6√√3/3
1
1
3-√√5 3+√5
√45-13√5+√√80-√125
(6-5√/18+2√/50). √2-12-
2√2-3√18+4√32-2√50
√12-2√27+3√75-√48
:√5
√15-√10
4
3√√5 +5
√3-√2 √5-1+ √5+3(√5 +1)
-√10-4√6 +6₁
2/3
2