one-digit x one-digit
3x5
15
3x22
66
2x123
246
11x12
132
20 / 5
4
2x9
18
5x20
100
3x421
1,263
21x31
651
100 / 2
50
6x4
24
7x42
294
6x220
1,320
45x50
2,250
428 / 2
214
8x9
72
9x83
747
8x452
72x27
1,944
575 / 5
115
7x8
56
6x99
594
7x879
6,153
99x78
7,722
852 / 3
284