Adding 2 digits
10+23
33
50-10
40
5+5
10
5-3
2
10-9+5
6
22+26
48
40-20
20
2+5
7
6-4
2
5-5+10
10
20+10+33
63
66-20
46
4+1+2
7
5-2-1
2
10-5+2+1
8
50+66
116
100-55
45
5+6+2
13
6-4-2
0
6+5+5-6
10
10+20+30+12
72
100-10-20
70
5+7+1+9+8
30
9-2-5
2
10-9+2-1+6
8