November 2018 1 99 Report
1. Calcula el valor de las siguientes expresiones con números enteros:



a) -2 – 5·(3 – 9)=



b) -7 + 8·(-4 + 13)=



c) 5·[-1 – 2·(-4 + 6)]=



d) (6 + 9)[-5 – 4·(3 + -2)]=


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