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- 7 + 6 + 3 [4 - 4]
- 7 + 9
2
------------------------------
[- 2 - 3 (-1) ] : (-1) - (- 4 - 5)
[- 2 + 3] : (- 1) - (- 9)
[- 2 + 3] : - 1 + 9
- 2 + 3 : - 1 + 9
1 : 8
Solución :
1/8
----------------------------------
2 - (- 4) (- 6) + 1 - (4 + 3)
2 - 24 + 1 - 7
- 24 - 7 + 2 + 1
- 31 + 3
- 28
-------------------------------------
- 3 - [- 3 - (- 3 - 3)] : (- 3)
- 3 - [- 3 - (- 6)] : (- 3)
- 3 - [- 3 + 6] : - 3
- 3 - [ + 3] : - 3
- 3 - 3 : - 3
- 6 : - 3
2
-----------------------------
[8 + 4 (- 2)] [- 3 (- 6) - 20]
[8 - 8] [ + 18 - 20]
18 - 20
- 2