Ответы 1
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1) 7 1/4y - y = 9 3/8; 6 1/4y = 9 3/8; y = (75 * 4) : (8 * 25); y = 300 : 200; y = 1,5.Ответ: 1,5.2) 1/14х - 2/7 * 1,25 = 5/56; 1/14х - 5/14 = 5/56; 1/14х = 5/56 + 5/14 = 5/56 + 20/56; 1/14х = 25/56; х = 56 : (14 * 25); х = 56 : 350; х = 0,16Ответ: 0,16.
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Автор:
khalilwzts - 6 лет назад
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