December 2022 2 11 Report
comprueba si las siguientes operaciones cumple la igualdad

A). (-5+7)-8 = -8+(-5+7)
B). (10+25)+39 = -39+(10+25)
C). (500-300)+(900-150) = (-150-300)+(500+900)
D). 1500-400 = 400-1500
E). 22+13-33+40 = 45-33+40-22
F). (55-75)+29 = (29+55)-75​

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