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1) ![12 * frac{5}{6} = frac{12 * 5}{6} = 2 * 5 = 10 12 * frac{5}{6} = frac{12 * 5}{6} = 2 * 5 = 10](https://tex.z-dn.net/?f=12+%2A++frac%7B5%7D%7B6%7D+%3D++frac%7B12+%2A+5%7D%7B6%7D+%3D+2+%2A+5+%3D+10)
2)![x : frac{11}{27} = frac{x * 27}{11} x : frac{11}{27} = frac{x * 27}{11}](https://tex.z-dn.net/?f=x+%3A++frac%7B11%7D%7B27%7D++%3D++frac%7Bx+%2A+27%7D%7B11%7D+)
3)![10 + frac{27x}{11} = frac{110 + 27x}{11} 10 + frac{27x}{11} = frac{110 + 27x}{11}](https://tex.z-dn.net/?f=10+%2B++frac%7B27x%7D%7B11%7D++%3D++frac%7B110+%2B+27x%7D%7B11%7D+)
4)![frac{110 + 27x}{11} = 19 frac{110 + 27x}{11} = 19](https://tex.z-dn.net/?f=frac%7B110+%2B+27x%7D%7B11%7D+%3D+19)
![110 + 27x = 11 * 19 = 209 110 + 27x = 11 * 19 = 209](https://tex.z-dn.net/?f=110+%2B+27x+%3D+11+%2A+19+%3D+209)
![27x = 209 - 110 = 99 27x = 209 - 110 = 99](https://tex.z-dn.net/?f=27x+%3D+209+-+110+%3D+99)
![x = frac{99}{27} ≈ 3.66 x = frac{99}{27} ≈ 3.66](https://tex.z-dn.net/?f=x+%3D++frac%7B99%7D%7B27%7D+%E2%89%88%C2%A03.66)
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