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a,\(\dfrac{2}{3}\cdot\dfrac{5}{4}-\dfrac{3}{4}\cdot\dfrac{2}{3}\) b,\(2\cdot(\dfrac{-3}{2})^2-\dfrac{7}{2}\) c,\(-\dfrac{3}{4}\cdot\overline{5\dfrac{3}{13}}-0,75\cdot\dfrac{36}{13}\)
\(\Rightarrow\dfrac{5}{6}\cdot\dfrac{1}{2}\) \(\Rightarrow2\cdot\dfrac{9}{4}-\dfrac{7}{2}\) \(\Rightarrow-\dfrac{3}{4}\cdot1-\dfrac{3}{4}\cdot\dfrac{36}{13}\)
\(\Rightarrow\dfrac{5}{12}\) \(\Rightarrow\dfrac{9}{2}-\dfrac{7}{2}\) \(\Rightarrow\dfrac{-3}{4}-\dfrac{27}{13}\)
\(\Rightarrow1\) \(\Rightarrow\dfrac{-147}{52}\)
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1.Reuse means using something again instead of throwing it a way
2.Did your school or ganise a donation drive last
1.my mother is fond of going in the morning
2.my sister finds it difficult to lift weights
3.we collected plastic bottles and sent them to the factory