1x33
33
5+5
10
1-9
-8
1x1
1
10+5
15
100-19
81
9x2
18
300+100,000
100,300
80-3
77
4x3
12
5+100,000
100,005
30-9
21
7x2
14
1+1000
1001
555-444
111