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2×(3-4×(5+7-(-2+8))-(-1))

Respuesta :

Jul27chorrygo

Explicación paso a paso:

2× ( 3-4×(5+7-(-2+8)) - (-1)

2× ( 1 × ( 12 -(+6)) +1

2× (1× ( 12 -6) +1

2× ( 1× +6 )+1

2× +6 +1

+12 +1

13

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