1    x   1   =   1    1    x   2   =   2    1    x   3   =   3     1   x   4
2    x   1   =   2    2    x   2   =   4    2    x   3   =   6     2   x   4
3    x   1   =   3    3    x   2   =   6    3    x   3   =   9     3   x   4
4    x   1   =   4    4    x   2   =   8    4    x   3   =   12    4   x   4
5    x   1   =   5    5    x   2   =   10   5    x   3   =   15    5   x   4
6    x   1   =   6    6    x   2   =   12   6    x   3   =   18    6   x   4
7    x   1   =   7    7    x   2   =   14   7    x   3   =   21    7   x   4
8    x   1   =   8    8    x   2   =   16   8    x   3   =   24    8   x   4
9    x   1   =   9    9    x   2   =   18   9    x   3   =   27    9   x   4
10   x   1   =   10   10   x   2   =   20   10   x   3   =   30   10   x   4
1    x   6   =   6    1    x   7   =   7    1    x   8   =   8     1   x   9
2    x   6   =   12   2    x   7   =   14   2    x   8   =   16    2   x   9
3    x   6   =   18   3    x   7   =   21   3    x   8   =   24    3   x   9
4    x   6   =   24   4    x   7   =   28   4    x   8   =   32    4   x   9
5    x   6   =   30   5    x   7   =   35   5    x   8   =   40    5   x   9
6    x   6   =   36   6    x   7   =   42   6    x   8   =   48    6   x   9
7    x   6   =   42   7    x   7   =   49   7    x   8   =   56    7   x   9
8    x   6   =   48   8    x   7   =   56   8    x   8   =   64    8   x   9
9    x   6   =   54   9    x   7   =   63   9    x   8   =   72    9   x   9
10   x   6   =   60   10   x   7   =   70   10   x   8   =   80   10   x   9
=    4    1   x   5    =   5
=    8    2   x   5    =   10
=   12    3   x   5    =   15
=   16    4   x   5    =   20
=   20    5   x   5    =   25
=   24    6   x   5    =   30
=   28    7   x   5    =   35
=   32    8   x   5    =   40
=   36    9   x   5    =   45
=   40   10   x   5    =   50
=    9    1   x   10   = 10
=   18    2   x   10   = 20
=   27    3   x   10   = 30
=   36    4   x   10   = 40
=   45    5   x   10   = 50
=   54    6   x   10   = 60
=   63    7   x   10   = 70
=   72    8   x   10   = 80
=   81    9   x   10   = 90
=   90   10   x   10   = 100