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МатематикаВопрос:
13 11/40 - 6/60 =
Ответ:
13 11/40 - 6/60 = 13 11/40 - 1/10 = 531/40 - 1/10 = (531 - 4)/40 = 527/40 = 13 7/40
Ответ: 13 7/40
Похожие
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