Combined operations 3
- - - - - - - - - -
2 + 1 - 2 =
6 - 5 - 1 =
5 - 4 + 5 =
1 + 1 - 1 =
1 + 4 + 5 =
6 + 8 - 10 =
10 - 9 + 6 =
10 + 11 + 10 =
6 + 8 - 8 =
8 - 6 + 9 =
3 - 1 - 2 =
6 - 1 + 1 =
2 + 5 - 5 =
2 + 2 + 6 =
6 + 7 - 9 =
10 + 9 + 6 =
6 + 10 - 11 =
8 - 6 + 11 =
11 + 7 - 6 =
6 + 2 - 5 =
4 - 2 + 1 =
4 + 6 - 5 =
1 + 5 + 2 =
6 + 1 - 2 =
11 + 9 - 10 =
6 + 7 + 6 =
9 + 9 - 7 =
8 - 7 + 11 =
8 + 6 - 8 =
5 - 3 - 1 =
1 + 3 - 1 =
3 - 1 + 2 =
5 + 2 + 3 =
11 - 10 + 6 =
10 + 7 - 11 =
8 + 10 - 11 =
11 - 8 + 8 =
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®Arturo Ramo García.-Record of intellectual property of Teruel (Spain) No 141, of 29-IX-1999 Plaza Playa de Aro, 3, 1º DO 44002-TERUEL
