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Покажите, что
44•15-55•17+22•25 делится на 11
12•39-26•14+13*15 делится на 13-
Предмет:
Математика -
Автор:
chaos - 5 лет назад
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Ответы 1
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44 * 15 - 55 * 17 + 22 * 25 = 11*4 * 15 - 11*5 * 17 + 11*2 * 25 =11 * (4*15 - 5*17 + 2*25) - делиться на 11,12 * 39 - 26 * 14 + 13 * 15 = 13*3 * 12 - 13*2 * 14 + 13 * 15 = 13 * (3*12 - 2*14 + 13*15) - делиться на 13
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Автор:
buddyrose - 5 лет назад
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Раскройте скобки, употребляя глаголы в PresentSimpleили PastSimple.
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