November 2018 1 8 Report
Indica si son ciertas las siguientes igualdades a )7-(12-9)=7-12+9 b) 29+[35÷(-5)]=29+35÷(-5) c)72÷[(-9+3)×6=72÷(-9)+3×6. d) 36÷[(-2)-(-8)] =36÷(-2)+(-8)

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