1 + 1 =
2
9 - 1
8
5 x 5 =
25
78 /78 =
1
5 + 5 =
10
89 - 50
39
10 x 10
100
28 / 7
4
30 + 30 =
60
100 - 400
300
8 x8
64
100 / 10
120 + 189
309
135 - 98
128 x 567
72576
45/5
9
1290 + 90
1380
678 - 127
551
12 x 8
96
12 / 3