Mathematics, 31.05.2021 16:10, am2334

Guess what property is used: $\frac{-4}{7} + \frac{5}{8} = \frac{5}{8} + ( \frac{ - 4}{7} )$
7/-8 x (-8/7)=1

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$( \frac{1}{2} \times \frac{4}{7} ) \times ( \frac{ - 2}{3} )= \frac{1}{2} \times ( \frac{4}{7} \times ( \frac{ - 2}{3} ))$

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Guess what property is used:

7/-8 x (-8/7)=1

i will mark u brainlist if u an...