Odpowiedź:
7/9 * 5/6 = 35/54
8/15 * 5/36 = 2/3 * 1/9 = 2/27
2 1/2 * 3 1/3 = 3/2 * 10/3 = 1/1 * 5/1 = 1 *5 = 5
3/10 * 55 = 3/10 * 55/1 = 3/2 * 11/1 = 33/2
27 * 1 1/9 = 27/1 * 10/9 = 3/1 * 10/1 = 3 * 10 = 30
Szczegółowe wyjaśnienie:
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