Ответ:
1)
1)0.82:0.4=2.05
2)2.05-2.4=0.35
3)0.35*2=0.7
4)
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Ответ:
1)
1)0.82:0.4=2.05
2)2.05-2.4=0.35
3)0.35*2=0.7
4)
2)
1)![1\frac{1}{30} -1.2*\frac{5}{6} 1\frac{1}{30} -1.2*\frac{5}{6}](https://tex.z-dn.net/?f=1%5Cfrac%7B1%7D%7B30%7D%20-1.2%2A%5Cfrac%7B5%7D%7B6%7D)
2)![\frac{31}{30}-\frac{5}{6}*\frac{5}{6} \frac{31}{30}-\frac{5}{6}*\frac{5}{6}](https://tex.z-dn.net/?f=%5Cfrac%7B31%7D%7B30%7D-%5Cfrac%7B5%7D%7B6%7D%2A%5Cfrac%7B5%7D%7B6%7D)
3)![\frac{31}{30}-\frac{25}{30}*\frac{25}{30} \frac{31}{30}-\frac{25}{30}*\frac{25}{30}](https://tex.z-dn.net/?f=%5Cfrac%7B31%7D%7B30%7D-%5Cfrac%7B25%7D%7B30%7D%2A%5Cfrac%7B25%7D%7B30%7D)
4)![\frac{31}{30} -\frac{600}{30} \frac{31}{30} -\frac{600}{30}](https://tex.z-dn.net/?f=%5Cfrac%7B31%7D%7B30%7D%20-%5Cfrac%7B600%7D%7B30%7D)
ответ:![\frac{569}{30} =1\frac{29}{30} \frac{569}{30} =1\frac{29}{30}](https://tex.z-dn.net/?f=%5Cfrac%7B569%7D%7B30%7D%20%3D1%5Cfrac%7B29%7D%7B30%7D)