10
×
2
=
10
×
8
=
10
×
7
=
7
×
9
=
5
×
4
=
8
×
1
=
10
×
6
=
6
×
10
=
5
×
9
=
10
×
1
=
6
×
5
=
4
×
5
=
9
×
2
=
6
×
6
=
1
×
4
=
1
×
4
=
9
×
5
=
10
×
4
=
9
×
2
=
1
×
10
=
3
×
10
=
10
×
6
=
1
×
10
=
8
×
9
=
8
×
5
=
2
×
7
=
2
×
8
=
8
×
9
=
9
×
7
=
5
×
10
=
2
×
6
=
5
×
10
=
1
×
8
=
9
×
7
=
8
×
8
=
8
×
4
=
10
×
10
=
10
×
6
=
8
×
10
=
7
×
9
=
6
×
2
=
2
×
5
=
10
×
3
=
10
×
6
=
9
×
3
=
4
×
1
=
3
×
10
=
2
×
3
=
6
×
7
=
4
×
3
=
1
×
6
=
8
×
10
=
10
×
4
=
7
×
5
=
7
×
4
=
3
×
5
=
7
×
6
=
8
×
4
=
4
×
4
=
6
×
10
=
7
×
6
=
2
×
2
=
9
×
6
=
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