5 plus 10
15
10-5
5
2x2
4
4 /2
2
10 plus 10
20
10-10
0
10x10
100
15/5
3
50 plus 50
30-20
10
8x8
68
20/4
16 plus 18
50- 20
30
9x8
72
30/5
6
10000+ 20000
30000
40000-20000
20000
12x12
144
64/8
8
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