Ответ:
5 8/9b.
Пошаговое объяснение:
4 5/6b - 2 4/9b + 3 1/2b = 4 15/18b - 2 8/18b + 3 9/18b = (4-2+3 + 15/18-8/18+9/18)•b = (5+16/18)•b = 5 8/9b.
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Ответ:
5 8/9b.
Пошаговое объяснение:
4 5/6b - 2 4/9b + 3 1/2b = 4 15/18b - 2 8/18b + 3 9/18b = (4-2+3 + 15/18-8/18+9/18)•b = (5+16/18)•b = 5 8/9b.