1
2x5-10
0
3x5+15
30
5x5-5
20
6x5-15
15
3x8-4
20
9x5+45
90
3x6+18
36
5x9+40
4x7-7
21
5x3+57
15+57=72
7x4+12
28+12=40
4x5-5
15
4x6-6
18
4x9-30
6
4X5+35
20+35=55
5x8-9
40-9=31
3x3-9
0
8x5+40
80
7x10-57
70-57=13
5x8-2
38
6x9-38
54-38=16
4x9+17
36+17=53
5x6+30
60
6x9-38
54-38=16
5x7-16
35-16=19