November 2018 2 19 Report
Suprimir Paréntesis y resolver

c_ (+5) - (-2 + 3 - 6) + (-4 + 3 - 10) =

d_ 7 - (6 4 + 12 - 3 + 4) + (-9) =

e_ (-3) + (-7 + 10) - (-9 + 6) =
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