Ответ:
Пошаговое объяснение:
1.
а) = 1 12/21 + 2 3/21 = 3 15/21 = 3 5/7
б) = 5 11/44 + 3 32/44 =
8 43/44
2.
а) = 3 3/3 - 2/3 = 3 1/3
б) = 5 2/8 - 3 7/8 = 4 10/8 - 3 7/8 = 1 3/8
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Ответ:
Пошаговое объяснение:
1.
а) = 1 12/21 + 2 3/21 = 3 15/21 = 3 5/7
б) = 5 11/44 + 3 32/44 =
8 43/44
2.
а) = 3 3/3 - 2/3 = 3 1/3
б) = 5 2/8 - 3 7/8 = 4 10/8 - 3 7/8 = 1 3/8