Ответы на вопрос:
(4 1/5 / х + 1 1/3) / 2 4/35 - 4/5 = 1 8/15 (21/5 / х + 4/3) / 74/35 = 4/5 + 23/15 (21/5 / х + 4/3) / 74/35 = 35/15 21/5 / х + 4/3 = 35/15 * 74/35 21/5 / х = 74/15 - 4/3 21/5 / х = 74/15 - 20/15 21/5 / х = 54/15 21/5 = 54/15 *х х = 21/5 / 54/15 х = 21/18 = 1 3/18 = 1 1/6
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