Ответ:
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- \(\left(\frac{35}{6}+\frac{74}{9}\right):25.3-\frac{28}{9}+1.5:\frac{27}{28}=\frac{433}{18}:\frac{253}{10}-\frac{28}{9}+\frac{14}{9}=\frac{95}{99}-\frac{14}{9}=-\frac{59}{99}\).
- \(117.5\cdot\frac4{47}-11\frac23+\left(10\frac2{25}-8\frac7{15}\right):\frac{11}{45}=10-\frac{35}{3}+\frac{232}{75}\cdot\frac{45}{11}=10-\frac{35}{3}+\frac{696}{55}=\frac{233}{165}\).
- \(\left(73.6-72\frac59\right):6\frac4{15}+\frac7{13}\left(20\frac23-19\frac37\right)=\frac{11}{45}:\frac{94}{15}+\frac7{13}\cdot\frac{68}{21}=\frac{11}{282}+\frac{68}{39}=\frac{1655}{966}\).
- \(\left(81\frac2{15}-79.3\right)(24.04-22.68)\left(1\frac23+1\frac19\right)=\frac45\cdot1.36\cdot\frac{25}{9}=\frac{68}{27}\).
- \(\left(52.25-49\frac17\right)(40.01-36.81):\left(6\frac16-2\frac1{42}\right)=\frac{43}{7}\cdot3.2:\frac{17}{3}=\frac{288}{119}\).
- \((28.24-29.1)(11.75+30\frac56):(40.4-6\frac13)=-0.86\cdot\frac{511}{12}:\frac{511}{15}=-\frac{43}{68}\).
