Пошаговое объяснение:
3/8 * 24 = 3/1 * 3 = 9/1 = 9
4/5 * 40 = 4/1 * 8 = 32/1 = 32
3/9 * 27 = 3/1 * 3 = 9/1 = 9
15 * 5/6 = 5 * 5/2 = 25/2 = 12 1/2
12 * 2/3 = 4 * 2/1 = 8/1 = 8
45 * 5/9 = 5 * 5/1 = 25/1 = 25
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Пошаговое объяснение:
3/8 * 24 = 3/1 * 3 = 9/1 = 9
4/5 * 40 = 4/1 * 8 = 32/1 = 32
3/9 * 27 = 3/1 * 3 = 9/1 = 9
15 * 5/6 = 5 * 5/2 = 25/2 = 12 1/2
12 * 2/3 = 4 * 2/1 = 8/1 = 8
45 * 5/9 = 5 * 5/1 = 25/1 = 25