Two Digit Addition
45 + 45
90
52 - 34
18
25+4
29
39-8
31
41-10
31
30+20
50
72 -48
24
51+7
771,235
77-5
72
89-30
59
72 + 12
84
92-37
55
42+5
1,170,175
48-5
45
45-5
40
9 + 11
20
84 - 59
25
42+5
4,384,049
59-7
52
77+10
87
15 + 20
35
72 - 28
44
33+6
10,642,843
52-20
32
89+10
99