1. 2 3/8 + 3 5/12 = 2 9/24 + 3 10/24 = 5 19/24
2. 7 - 2 3/11 = 6 11/11 - 2 3/11 = 4 8\11
3. 7 11/15 - 2 3/5 = 116/15 - 13/5 = 116/15 - 39/15 = 77/15 = 5 2/15
Ответ:
Пошаговое объяснение:
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1. 2 3/8 + 3 5/12 = 2 9/24 + 3 10/24 = 5 19/24
2. 7 - 2 3/11 = 6 11/11 - 2 3/11 = 4 8\11
3. 7 11/15 - 2 3/5 = 116/15 - 13/5 = 116/15 - 39/15 = 77/15 = 5 2/15
Ответ:
Пошаговое объяснение: