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1)
![1 = frac{12}{12} 1 = frac{12}{12}](https://tex.z-dn.net/?f=1+%3D++frac%7B12%7D%7B12%7D+)
2)
![3 = frac{12}{4} 3 = frac{12}{4}](https://tex.z-dn.net/?f=3+%3D++frac%7B12%7D%7B4%7D+)
3)
![9 = frac{900}{100} 9 = frac{900}{100}](https://tex.z-dn.net/?f=9+%3D++frac%7B900%7D%7B100%7D+)
4)
![12 = frac{121}{11} 12 = frac{121}{11}](https://tex.z-dn.net/?f=12+%3D++frac%7B121%7D%7B11%7D+)
5)
![2 + frac{5}{13} = frac{13}{13} + frac{13}{13} + frac{5}{13} = frac{31}{13} 2 + frac{5}{13} = frac{13}{13} + frac{13}{13} + frac{5}{13} = frac{31}{13}](https://tex.z-dn.net/?f=2+%2B++frac%7B5%7D%7B13%7D++%3D++frac%7B13%7D%7B13%7D++%2B++frac%7B13%7D%7B13%7D++%2B++frac%7B5%7D%7B13%7D+%3D++frac%7B31%7D%7B13%7D+++)
6)
![10 + frac{6}{7} = frac{76}{7} 10 + frac{6}{7} = frac{76}{7}](https://tex.z-dn.net/?f=10+%2B++frac%7B6%7D%7B7%7D++%3D++frac%7B76%7D%7B7%7D+)
7)
![frac{23}{11} = 11 + frac{12}{11} frac{23}{11} = 11 + frac{12}{11}](https://tex.z-dn.net/?f=+frac%7B23%7D%7B11%7D++%3D+11+%2B++frac%7B12%7D%7B11%7D+)
8)
![frac{300}{15} = 20 frac{300}{15} = 20](https://tex.z-dn.net/?f=+frac%7B300%7D%7B15%7D++%3D+20)
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