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Ответ:
Пошаговое объяснение:
1.
251/13 = 251 : 13 = 19 (ост. 4)
251/13 = 19. 4/13
2.
1) 3. 4/9 + 4. 1/9 = 7. 5/9
2) 21 - 7. 5/9 = 20. 9/9 -
7. 5/9 = 13. 4/9
3.
5/9 * (29 + 25) = 5/9 * 54 = 5/1 * 6 = 30/1 = 30
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Answers & Comments
.. .......................
Ответ:
Пошаговое объяснение:
1.
251/13 = 251 : 13 = 19 (ост. 4)
251/13 = 19. 4/13
2.
1) 3. 4/9 + 4. 1/9 = 7. 5/9
2) 21 - 7. 5/9 = 20. 9/9 -
7. 5/9 = 13. 4/9
3.
5/9 * (29 + 25) = 5/9 * 54 = 5/1 * 6 = 30/1 = 30