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A
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1+1
2
2+2
4
3+3
6
4+4
8
5+5
10
6+6
12
7+7
14
8+8
16
9+9
18
10+10
20
1-1
0
2-2
0
3-3
0
4-4
0
5-5
0
6-6
0
7-7
0
8-8
0
9-9
0
10-10
0
1x1
2
2x2
4
3x3
9
4x4
16
5x5
25
6x6
36
7x7
49
8x8
64
9x9
81
10x10
100
1/1
1
2/2
1
3/3
1
4/4
1
5/5
1
6/6
1
7/7
1
8/8
1
9/91
1
10/10
1
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