Пошаговое объяснение:
1 7/8 * 1 5/15 * 1 1/15 = 15/8 * 20/15 * 16/15 = 4/3 = 1 1/3
3 3/7 * 12 5/8 * 1 25/101 = 24/7 * 101/8 * 126/101 = 3*18=54
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Пошаговое объяснение:
1 7/8 * 1 5/15 * 1 1/15 = 15/8 * 20/15 * 16/15 = 4/3 = 1 1/3
3 3/7 * 12 5/8 * 1 25/101 = 24/7 * 101/8 * 126/101 = 3*18=54