July 2023 1 14 Report
Resuelve las siguientes operaciones combinadas con signos de agrupación
a) 12 + 3 − 15 ÷ (- 2 -1) + 30 – 64 ÷ 8 − 2 + 10 - 72 ÷ (− 8) =
b) [(- 6 +8) − (- 15) ÷ 3] x {- 8 – [- 2 + (8 + 2) ÷ (- 3 – 2)] + (- 4 + 8 – 5)}

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