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![1)18-8frac{2}{3}=frac{54}{3}-frac{26}{3}=frac{54-26}{3}=frac{28}{3}=9frac{1}{3}\\2)3,8:5frac{2}{11}=frac{19}{5}:frac{57}{11}=frac{19}{5}*frac{11}{57}=frac{19*11}{5*57}=frac{209}{285}=frac{11}{15}\\3)frac{11}{15}*frac{3}{17}=frac{11*3}{15*17}=frac{11}{85}\\4)9frac{1}{3}:1frac{1}{6}=frac{28}{3}:frac{7}{6}=frac{28}{3}*frac{6}{7}=frac{28*6}{3*7}=8\\5)3-frac{11}{85}=frac{255}{85}-frac{11}{85}=frac{255-11}{85}=frac{244}{85}=2frac{74}{85}\\ 1)18-8frac{2}{3}=frac{54}{3}-frac{26}{3}=frac{54-26}{3}=frac{28}{3}=9frac{1}{3}\\2)3,8:5frac{2}{11}=frac{19}{5}:frac{57}{11}=frac{19}{5}*frac{11}{57}=frac{19*11}{5*57}=frac{209}{285}=frac{11}{15}\\3)frac{11}{15}*frac{3}{17}=frac{11*3}{15*17}=frac{11}{85}\\4)9frac{1}{3}:1frac{1}{6}=frac{28}{3}:frac{7}{6}=frac{28}{3}*frac{6}{7}=frac{28*6}{3*7}=8\\5)3-frac{11}{85}=frac{255}{85}-frac{11}{85}=frac{255-11}{85}=frac{244}{85}=2frac{74}{85}\\](https://tex.z-dn.net/?f=1%2918-8frac%7B2%7D%7B3%7D%3Dfrac%7B54%7D%7B3%7D-frac%7B26%7D%7B3%7D%3Dfrac%7B54-26%7D%7B3%7D%3Dfrac%7B28%7D%7B3%7D%3D9frac%7B1%7D%7B3%7D%5C%5C2%293%2C8%3A5frac%7B2%7D%7B11%7D%3Dfrac%7B19%7D%7B5%7D%3Afrac%7B57%7D%7B11%7D%3Dfrac%7B19%7D%7B5%7D%2Afrac%7B11%7D%7B57%7D%3Dfrac%7B19%2A11%7D%7B5%2A57%7D%3Dfrac%7B209%7D%7B285%7D%3Dfrac%7B11%7D%7B15%7D%5C%5C3%29frac%7B11%7D%7B15%7D%2Afrac%7B3%7D%7B17%7D%3Dfrac%7B11%2A3%7D%7B15%2A17%7D%3Dfrac%7B11%7D%7B85%7D%5C%5C4%299frac%7B1%7D%7B3%7D%3A1frac%7B1%7D%7B6%7D%3Dfrac%7B28%7D%7B3%7D%3Afrac%7B7%7D%7B6%7D%3Dfrac%7B28%7D%7B3%7D%2Afrac%7B6%7D%7B7%7D%3Dfrac%7B28%2A6%7D%7B3%2A7%7D%3D8%5C%5C5%293-frac%7B11%7D%7B85%7D%3Dfrac%7B255%7D%7B85%7D-frac%7B11%7D%7B85%7D%3Dfrac%7B255-11%7D%7B85%7D%3Dfrac%7B244%7D%7B85%7D%3D2frac%7B74%7D%7B85%7D%5C%5C)
![6)2frac{74}{85}+8=frac{244}{85}+frac{680}{85}=frac{244+680}{85}=frac{924}{85}=10frac{74}{85} 6)2frac{74}{85}+8=frac{244}{85}+frac{680}{85}=frac{244+680}{85}=frac{924}{85}=10frac{74}{85}](https://tex.z-dn.net/?f=6%292frac%7B74%7D%7B85%7D%2B8%3Dfrac%7B244%7D%7B85%7D%2Bfrac%7B680%7D%7B85%7D%3Dfrac%7B244%2B680%7D%7B85%7D%3Dfrac%7B924%7D%7B85%7D%3D10frac%7B74%7D%7B85%7D)
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