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7/12 + 1/60 = 35/60 + 1/60 = 36/60 = 6/10 = 3/5
19/65 + 14/13 = 19/65 + 70/65 = 8965 = 1целая 24/65
3/10 + 77/1000 = 0,3 + 0,077 = 0,377
2/7 + 4/35= 10/35 + 4/35 = 14/35
21/32 + 1/8 = 21/32 + 4/32 = 25/32
11/27 + 4/9 = 11/27 + 12/27 = 23/27
19/65 + 14/13 = 19/65 + 70/65 = 8965 = 1целая 24/65
3/10 + 77/1000 = 0,3 + 0,077 = 0,377
2/7 + 4/35= 10/35 + 4/35 = 14/35
21/32 + 1/8 = 21/32 + 4/32 = 25/32
11/27 + 4/9 = 11/27 + 12/27 = 23/27
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а)![frac{7}{12}+ frac{1}{60}= frac{7*5+1}{60}= frac{36}{60}= frac{6}{10} frac{7}{12}+ frac{1}{60}= frac{7*5+1}{60}= frac{36}{60}= frac{6}{10}](https://tex.z-dn.net/?f=+frac%7B7%7D%7B12%7D%2B+frac%7B1%7D%7B60%7D%3D+frac%7B7%2A5%2B1%7D%7B60%7D%3D+frac%7B36%7D%7B60%7D%3D+frac%7B6%7D%7B10%7D++++)
б)![frac{19}{65}+ frac{14}{13}= frac{19+14*5}{65 }= frac{89}{65} frac{19}{65}+ frac{14}{13}= frac{19+14*5}{65 }= frac{89}{65}](https://tex.z-dn.net/?f=+frac%7B19%7D%7B65%7D%2B+frac%7B14%7D%7B13%7D%3D+frac%7B19%2B14%2A5%7D%7B65+%7D%3D+frac%7B89%7D%7B65%7D++++)
в)![frac{3}{10} + frac{77}{1000}= frac{3*100+77}{1000}= frac{377}{1000} frac{3}{10} + frac{77}{1000}= frac{3*100+77}{1000}= frac{377}{1000}](https://tex.z-dn.net/?f=+frac%7B3%7D%7B10%7D+%2B+frac%7B77%7D%7B1000%7D%3D+frac%7B3%2A100%2B77%7D%7B1000%7D%3D+frac%7B377%7D%7B1000%7D++)
г)![frac{2}{7}+ frac{4}{35}= frac{2*5+4}{35}= frac{14}{35}= frac{2}{5} frac{2}{7}+ frac{4}{35}= frac{2*5+4}{35}= frac{14}{35}= frac{2}{5}](https://tex.z-dn.net/?f=+frac%7B2%7D%7B7%7D%2B+frac%7B4%7D%7B35%7D%3D+frac%7B2%2A5%2B4%7D%7B35%7D%3D+frac%7B14%7D%7B35%7D%3D+frac%7B2%7D%7B5%7D+++++)
д)![frac{21}{32}+ frac{1}{8}= frac{21+4}{32}= frac{25}{32} frac{21}{32}+ frac{1}{8}= frac{21+4}{32}= frac{25}{32}](https://tex.z-dn.net/?f=+frac%7B21%7D%7B32%7D%2B+frac%7B1%7D%7B8%7D%3D+frac%7B21%2B4%7D%7B32%7D%3D+frac%7B25%7D%7B32%7D++++)
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