August 2018 2 23 Report
AYUDA!! ALGUIEN QUE SEPA RESOLVER ESTOS 2 EJERCICIOS POR FAVOR NO LOS ENTIENDO :_

a) -2 + [-5-(-2 + 6) + (-1-9)] - [-7-(-2+5)+(-1-2)= ?
b) -4 +6 -8-(3) - [-2 + (-1+9) - (-7 -2)] - [- (-2)] [- (3)]= ?

Gracias muchisimas gracias♥

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