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1.
![2 frac{1}{3} = frac{7}{3} 2 frac{1}{3} = frac{7}{3}](https://tex.z-dn.net/?f=2+frac%7B1%7D%7B3%7D+%3D+frac%7B7%7D%7B3%7D+)
![frac{29}{5} = 5 frac{4}{5} frac{29}{5} = 5 frac{4}{5}](https://tex.z-dn.net/?f=+frac%7B29%7D%7B5%7D+%3D+5+frac%7B4%7D%7B5%7D+)
2.
а)![frac{1}{9} + frac{2}{3} = frac{1}{9} + frac{6}{9} = frac{7}{9} frac{1}{9} + frac{2}{3} = frac{1}{9} + frac{6}{9} = frac{7}{9}](https://tex.z-dn.net/?f=+frac%7B1%7D%7B9%7D+%2B+frac%7B2%7D%7B3%7D+%3D+frac%7B1%7D%7B9%7D+%2B+frac%7B6%7D%7B9%7D+%3D+frac%7B7%7D%7B9%7D+)
б)![frac{7}{8} - frac{1}{3} = frac{21}{24} - frac{8}{24} = frac{13}{24} frac{7}{8} - frac{1}{3} = frac{21}{24} - frac{8}{24} = frac{13}{24}](https://tex.z-dn.net/?f=+frac%7B7%7D%7B8%7D+-+frac%7B1%7D%7B3%7D+%3D+frac%7B21%7D%7B24%7D+-+frac%7B8%7D%7B24%7D+%3D+frac%7B13%7D%7B24%7D+)
в)![2 frac{1}{5} + frac{3}{4} = frac{11}{5} + frac{3}{4} = frac{44}{20} + frac{15}{20} = frac{59}{20} = 2 frac{19}{20} 2 frac{1}{5} + frac{3}{4} = frac{11}{5} + frac{3}{4} = frac{44}{20} + frac{15}{20} = frac{59}{20} = 2 frac{19}{20}](https://tex.z-dn.net/?f=2+frac%7B1%7D%7B5%7D+%2B+frac%7B3%7D%7B4%7D+%3D+frac%7B11%7D%7B5%7D+%2B+frac%7B3%7D%7B4%7D+%3D+frac%7B44%7D%7B20%7D+%2B+frac%7B15%7D%7B20%7D+%3D+frac%7B59%7D%7B20%7D+%3D+2+frac%7B19%7D%7B20%7D+)
г)![2 - 1 frac{3}{7} = 1 frac{7}{7} - 1 frac{3}{7} = frac{4}{7} 2 - 1 frac{3}{7} = 1 frac{7}{7} - 1 frac{3}{7} = frac{4}{7}](https://tex.z-dn.net/?f=2+-+1+frac%7B3%7D%7B7%7D+%3D+1+frac%7B7%7D%7B7%7D+-+1+frac%7B3%7D%7B7%7D+%3D+frac%7B4%7D%7B7%7D+)
3.
а)![frac{1}{3} times frac{2}{5} = frac{1 times 2}{3 times 5} = frac{2}{15} frac{1}{3} times frac{2}{5} = frac{1 times 2}{3 times 5} = frac{2}{15}](https://tex.z-dn.net/?f=+frac%7B1%7D%7B3%7D+times+frac%7B2%7D%7B5%7D+%3D+frac%7B1+times+2%7D%7B3+times+5%7D+%3D+frac%7B2%7D%7B15%7D+)
б)![frac{7}{16} times 1 frac{1}{3} = frac{7}{16} times frac{4}{3 } = frac{7}{4} times frac{1}{3} = frac{7}{12} frac{7}{16} times 1 frac{1}{3} = frac{7}{16} times frac{4}{3 } = frac{7}{4} times frac{1}{3} = frac{7}{12}](https://tex.z-dn.net/?f=+frac%7B7%7D%7B16%7D+times+1+frac%7B1%7D%7B3%7D+%3D+frac%7B7%7D%7B16%7D+times+frac%7B4%7D%7B3+%7D+%3D+frac%7B7%7D%7B4%7D+times+frac%7B1%7D%7B3%7D+%3D+frac%7B7%7D%7B12%7D+)
в)![10 times frac{5}{12} = frac{10}{1} times frac{5}{12} = 5 times frac{5}{6} = frac{25}{6} 10 times frac{5}{12} = frac{10}{1} times frac{5}{12} = 5 times frac{5}{6} = frac{25}{6}](https://tex.z-dn.net/?f=10+times+frac%7B5%7D%7B12%7D+%3D+frac%7B10%7D%7B1%7D+times+frac%7B5%7D%7B12%7D+%3D+5+times+frac%7B5%7D%7B6%7D+%3D+frac%7B25%7D%7B6%7D+)
г)![frac{3}{7} div frac{2}{3} = frac{3}{7} times frac{3}{2} = frac{9}{14} frac{3}{7} div frac{2}{3} = frac{3}{7} times frac{3}{2} = frac{9}{14}](https://tex.z-dn.net/?f=+frac%7B3%7D%7B7%7D+div+frac%7B2%7D%7B3%7D+%3D+frac%7B3%7D%7B7%7D+times+frac%7B3%7D%7B2%7D+%3D+frac%7B9%7D%7B14%7D+)
д)![frac{4}{7} div 8 = frac{4}{7} times frac{1}{8} = frac{1}{7} times frac{1}{2} = frac{1}{14} frac{4}{7} div 8 = frac{4}{7} times frac{1}{8} = frac{1}{7} times frac{1}{2} = frac{1}{14}](https://tex.z-dn.net/?f=+frac%7B4%7D%7B7%7D+div+8+%3D+frac%7B4%7D%7B7%7D+times+frac%7B1%7D%7B8%7D+%3D+frac%7B1%7D%7B7%7D+times+frac%7B1%7D%7B2%7D+%3D+frac%7B1%7D%7B14%7D+)
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Всё сделано лично мной. Копирование запрещено©
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