Tính giá trị biểu thức

giúp mik với 

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----- Nội dung dịch tự động từ ảnh -----
A. Phân đại số:
I. Dạng toán tính giá trị biểu thức:
7
+
34
B-16,:(-- 20:(
15
15 2
1.
+
17
3
A =
21 34
1
C= 25.
3
3
1
2.
2
1
3.
- 0,25 : 2-
4
1
D = (- 2
1
1
1-
+
-
-
5
2
2
2
3
F =
2.
1
-1:6
2
E = 5/16 – 4/9 + 25 0,3/400
6
0,5+ 0,(3) – 0,1(6)
11
H=[0,(32) 1,(5) - 9 (25)
83
G=
25+1, (6) – 0,8(3)
62
16
11,25+ 1-
63
4
| =- 1,53: 5-
28
K
1,9+9,5:4,
75 25
81,624:4,8- 4,505) + 125.0, 75
6 + 6°.3 + 3
N=
P=
73
(0,44) :9,88+ 3,53 - (2 75) :0,52
13-- 2-
4
203-
6.
3
46
4
g0 + 420
M
45 + 64
450.520
T=
755
25
3 10
12-
3
1
-14
1= +
7