August 2023 1 11 Report
Realiza las siguientes operaciones eliminando primero los paréntesis
a) -20 + (2-4)-7-(-5+ 3) = ?
b) -(3-5) + (-7 + 2) - (-4-1) = ?
c) 17 - 9+ (3 - 12) - [5 + (-4)] = ?
d) - 3+(-4-2) + (-7-(4-7) + 3) = ?
(si no sabes no respondas t puedo denunciar ^^)​

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