Question

R H S3/4 +(-2/5-7/10)​

Answer 1

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Answer 2

Answer:

$\frac{3}{4} + ( \frac{ - 2}{5} - \frac{7}{10} ) \\ \\ = \frac{3}{4} - \frac{2}{5} - \frac{7}{10} \\ \\ = \frac{15 - 8 - 14}{20} \\ \\ = \frac{15 - 22}{20} \\ \\ = \frac{ - 7}{20}$

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