Ответ:
Пошаговое объяснение:
1) 44. 4/7 : 1. 31/35 =
312/7 : 66/35 = 312/7 * 35/66 = 52/1 * 5/11 = 260/11
2) 260/11 : 3. 5/33 =
260/11 : 104/33 = 260/11 * 33/104 = 5/1 * 3/2 = 15/2 = 7. 1/2
3) 7. 1/2 + 20. 3/13 =
7. 13/26 + 20. 6/26 =
27. 19/26
4) 27. 19/26 - 17. 8/13 =
27. 19/26 - 17. 16/26 =
10. 3/26
Ответ: 10. 3/26
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Ответ:
Пошаговое объяснение:
1) 44. 4/7 : 1. 31/35 =
312/7 : 66/35 = 312/7 * 35/66 = 52/1 * 5/11 = 260/11
2) 260/11 : 3. 5/33 =
260/11 : 104/33 = 260/11 * 33/104 = 5/1 * 3/2 = 15/2 = 7. 1/2
3) 7. 1/2 + 20. 3/13 =
7. 13/26 + 20. 6/26 =
27. 19/26
4) 27. 19/26 - 17. 8/13 =
27. 19/26 - 17. 16/26 =
10. 3/26
Ответ: 10. 3/26