Addition
165+500
665
45-18
27
6x7
42
72÷8
9
c+7=19 c=?
12
270+497
797
92-37
55
8x9
72
49÷7
7
y-12=18 y=?
30
569+700
1269
60-29
31
4x12
48
56÷4
14
c-5-2 c=?
3
800+1078
1878
123-56
67
5x11
55
81÷9
9
z+4=9 z=?
5
1798+978
2776
80-44
36
3x8
24
144÷12
12
x+20=55 x=?
35