Пошаговое объяснение:
3/8 : 5/6 = 3/8 * 6/5 = 18/40 = 9/20
1 : 2/7 = 1 * 7/2 = 7/2
2,2 : 3,3 = 22/10 : 33/10 = 22/10 * 10/33 = 2/1 * 1/3 = 2/3
1 7/18 : 3 4/9 = 25/18 : 31/9 = 25/18 * 9/31 = 25/2 * 1/31 = 25/62
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Пошаговое объяснение:
3/8 : 5/6 = 3/8 * 6/5 = 18/40 = 9/20
1 : 2/7 = 1 * 7/2 = 7/2
2,2 : 3,3 = 22/10 : 33/10 = 22/10 * 10/33 = 2/1 * 1/3 = 2/3
1 7/18 : 3 4/9 = 25/18 : 31/9 = 25/18 * 9/31 = 25/2 * 1/31 = 25/62