+
1 + 1
2
10 - 10
0
5 x 5
25
4/8 + 4/8
8/8
20 + 20
40
77 -88
11
10 x 10
100
1/7 + 2/7
3/7
100+ 989
1,089
58 - 23
35
7 x 7
49
6/7 - 2/7
5/7
119,977 +119,933
39,910
63 - 27
36
64 x 64
192
44/77 - 44/77
0/0
10,000,000 + 20,979,753
30,979,753
475 - 231
244
102 x 3
300
99/99 - 91/99
98/99