If (ab−cd)−ef=ab−(cd−ef), then it follows the ___ property whi – InterviewSolution

1.	If (ab−cd)−ef=ab−(cd−ef), then it follows the ___ property which does not hold true for subtraction.
Answer» If $(\frac{a}{b} - \frac{c}{d}) - \frac{e}{f} = \frac{a}{b} - (\frac{c}{d} - \frac{e}{f})$ , then it follows the ___ property which does not hold true for subtraction.

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