Ответ:
4. 27/40
Пошаговое объяснение:
1) 3. 2/5 * 5/34 = 17/5 * 5/34 = 17/34 = 1/2
2) 3. 3/8 + 1. 4/5 =
3. 15/40 + 1. 32/40 = 4. 47/40 = 5. 7/40
4) 5. 7/40 - 1/2 =
5. 7/40 - 20/40 =
4. 47/40 - 20/40 = 4. 27/40
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Answers & Comments
Ответ:
4. 27/40
Пошаговое объяснение:
1) 3. 2/5 * 5/34 = 17/5 * 5/34 = 17/34 = 1/2
2) 3. 3/8 + 1. 4/5 =
3. 15/40 + 1. 32/40 = 4. 47/40 = 5. 7/40
4) 5. 7/40 - 1/2 =
5. 7/40 - 20/40 =
4. 47/40 - 20/40 = 4. 27/40