Question

Escribe los siguientes ejercicios suprimiendo los paréntesis (manera sencilla) y luego resuelve (− 7)+ (− 4) = (−1)+ (0)+ (−9) = (−10)+ (+ 2)+ (−13) = (+10)+ (+ 4) = (− 7)− (−5) = (−3)− (+ 4) = (−15)− (+15) = (+12)− (− 6) = (+3) + (-7) = (-3) – (-7) = (-9) – (-6) = (+9) + (-6) =

Answer 1

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