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МатематикаВопрос:
2 1/2 - 7/15 =
Ответ:
2 1/2 - 7/15 = 5/2 - 7/15 = (5 * 15)/(2 * 15) - (7 * 2)/(15 * 2) = 75/30 - 14/30 = 61/30 = 2 1/30
Ответ: 2 1/30
Похожие
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