19. Hisoblang: 
A) -39 B) -49 C) 39 D) 49
20. Amallarni bajaring: 
A) -5 B) 5 C) -25 D) 25
21.Ko’paytirishni bajaring: 
22. Amallarni bajaring: 
23. Bo’lishni bajaring: 
24. Hisoblang: 
25. Hisoblang: 
S
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
J
|
A
|
D
|
C
|
B
|
C
|
A
|
D
|
A
|
B
|
A
|
B
|
A
|
D
|
D
|
B
|
C
|
A
|
C
|
A
|
B
|
Do'stlaringiz bilan baham: |
