Ответ:
1.
2.
3.
4.
5. 7
6.
7)
1 действие;
2 действие;
Пошаговое объяснение:
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Answers & Comments
Ответ:
1.![4\frac{1}{5} 4\frac{1}{5}](https://tex.z-dn.net/?f=4%5Cfrac%7B1%7D%7B5%7D)
2.![11\frac{1}{2} 11\frac{1}{2}](https://tex.z-dn.net/?f=11%5Cfrac%7B1%7D%7B2%7D)
3.![1\frac{1}{5} 1\frac{1}{5}](https://tex.z-dn.net/?f=1%5Cfrac%7B1%7D%7B5%7D)
4.![10\frac{9}{11} 10\frac{9}{11}](https://tex.z-dn.net/?f=10%5Cfrac%7B9%7D%7B11%7D)
5. 7
6.![\frac{14}{c} \frac{14}{c}](https://tex.z-dn.net/?f=%5Cfrac%7B14%7D%7Bc%7D)
7)
1 действие;![\frac{3}{8}-\frac{1}{9} = \frac{27}{72}-\frac{8}{72}= \frac{27-8}{72}=\frac{19}{72} \frac{3}{8}-\frac{1}{9} = \frac{27}{72}-\frac{8}{72}= \frac{27-8}{72}=\frac{19}{72}](https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B8%7D-%5Cfrac%7B1%7D%7B9%7D%20%3D%20%5Cfrac%7B27%7D%7B72%7D-%5Cfrac%7B8%7D%7B72%7D%3D%20%5Cfrac%7B27-8%7D%7B72%7D%3D%5Cfrac%7B19%7D%7B72%7D)
2 действие;![\frac{19}{72}+\frac{25}{36}= \frac{19}{72}+\frac{50}{72}=\frac{19+50}{72}=\frac{69}{72}=\frac{23}{24} \frac{19}{72}+\frac{25}{36}= \frac{19}{72}+\frac{50}{72}=\frac{19+50}{72}=\frac{69}{72}=\frac{23}{24}](https://tex.z-dn.net/?f=%5Cfrac%7B19%7D%7B72%7D%2B%5Cfrac%7B25%7D%7B36%7D%3D%20%20%5Cfrac%7B19%7D%7B72%7D%2B%5Cfrac%7B50%7D%7B72%7D%3D%5Cfrac%7B19%2B50%7D%7B72%7D%3D%5Cfrac%7B69%7D%7B72%7D%3D%5Cfrac%7B23%7D%7B24%7D)
Пошаговое объяснение: