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▪5)
![frac{7}{15} x = 1 \ x = 1 div frac{7}{15} = 1 times frac{15}{7} = 2 frac{1}{7} \ x = 2 frac{1}{7} frac{7}{15} x = 1 \ x = 1 div frac{7}{15} = 1 times frac{15}{7} = 2 frac{1}{7} \ x = 2 frac{1}{7}](https://tex.z-dn.net/?f=+frac%7B7%7D%7B15%7D+x+%3D+1+%5C+x+%3D+1+div++frac%7B7%7D%7B15%7D++%3D+1+times++frac%7B15%7D%7B7%7D++%3D+2+frac%7B1%7D%7B7%7D++%5C+x+%3D+2+frac%7B1%7D%7B7%7D+)
▪6)
![3 frac{2}{3} x = 1 \ x = 1 div frac{11}{3} = frac{3}{11} \ x = frac{3}{11} 3 frac{2}{3} x = 1 \ x = 1 div frac{11}{3} = frac{3}{11} \ x = frac{3}{11}](https://tex.z-dn.net/?f=3+frac%7B2%7D%7B3%7D+x+%3D+1+%5C+x+%3D+1+div++frac%7B11%7D%7B3%7D++%3D++frac%7B3%7D%7B11%7D++%5C+x+%3D++frac%7B3%7D%7B11%7D+)
▪7)
![100x = 1 \ x = frac{1}{100} \ x = 0.01 100x = 1 \ x = frac{1}{100} \ x = 0.01](https://tex.z-dn.net/?f=100x+%3D+1+%5C+x+%3D++frac%7B1%7D%7B100%7D++%5C+x+%3D+0.01)
▪8)
![frac{2}{13} x = 1 \ x = frac{13}{2} = 6 frac{1}{2} \ x = 6 frac{1}{2} = 6.5 frac{2}{13} x = 1 \ x = frac{13}{2} = 6 frac{1}{2} \ x = 6 frac{1}{2} = 6.5](https://tex.z-dn.net/?f=+frac%7B2%7D%7B13%7D+x+%3D+1+%5C+x+%3D++frac%7B13%7D%7B2%7D++%3D+6+frac%7B1%7D%7B2%7D++%5C+x+%3D+6+frac%7B1%7D%7B2%7D++%3D+6.5)
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