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А:
![4 frac{2}{3} times 1 frac{2}{7} = frac{14}{3} times frac{9}{7} = frac{126}{21} = 6 4 frac{2}{3} times 1 frac{2}{7} = frac{14}{3} times frac{9}{7} = frac{126}{21} = 6](https://tex.z-dn.net/?f=4+frac%7B2%7D%7B3%7D+times+1+frac%7B2%7D%7B7%7D+%3D+frac%7B14%7D%7B3%7D+times+frac%7B9%7D%7B7%7D+%3D+frac%7B126%7D%7B21%7D+%3D+6)
Б:
![frac{5}{8} times frac{4}{5} = frac{20}{40} = frac{1}{2} frac{5}{8} times frac{4}{5} = frac{20}{40} = frac{1}{2}](https://tex.z-dn.net/?f=+frac%7B5%7D%7B8%7D+times+frac%7B4%7D%7B5%7D+%3D+frac%7B20%7D%7B40%7D+%3D+frac%7B1%7D%7B2%7D+)
В:
![frac{9}{25} times 2 frac{1}{7} times 1 frac{5}{9} =frac{9}{25} times frac{15}{7} =frac{135}{75} = frac{9}{25} times 2 frac{1}{7} times 1 frac{5}{9} =frac{9}{25} times frac{15}{7} =frac{135}{75} =](https://tex.z-dn.net/?f=+frac%7B9%7D%7B25%7D+times+2+frac%7B1%7D%7B7%7D+times+1+frac%7B5%7D%7B9%7D+%3Dfrac%7B9%7D%7B25%7D+times+frac%7B15%7D%7B7%7D+%3Dfrac%7B135%7D%7B75%7D+%3D)
![= frac{27}{35} \ \ frac{27}{35} times 1frac{5}{9} = frac{27}{35} times frac{14}{9} = frac{378}{315} = = frac{27}{35} \ \ frac{27}{35} times 1frac{5}{9} = frac{27}{35} times frac{14}{9} = frac{378}{315} =](https://tex.z-dn.net/?f=+%3D+frac%7B27%7D%7B35%7D+%5C+%5C+frac%7B27%7D%7B35%7D+times+1frac%7B5%7D%7B9%7D+%3D+frac%7B27%7D%7B35%7D+times+frac%7B14%7D%7B9%7D+%3D+frac%7B378%7D%7B315%7D+%3D)
Б:
В:
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