Пошаговое объяснение:
1/2 : 1/7 = 1/2 * 7/1 = 7/2 => 7 : 2
1 1/3 : 2 1/2 = 4/3 : 5/2 = 4/3 * 2/5 = 8/15 => 8 : 15
1/4 : 2/5 = 1/4 * 5/2 = 5/8 => 5 : 8
1/2 : 1/7 = 1/2 * 7 = 7/2
1 1/3 : 2 1/2 = 4/3 * 2/5 = 8/15
1/4 : 2/5 = 1/4 * 5/2 = 5/8
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Пошаговое объяснение:
1/2 : 1/7 = 1/2 * 7/1 = 7/2 => 7 : 2
1 1/3 : 2 1/2 = 4/3 : 5/2 = 4/3 * 2/5 = 8/15 => 8 : 15
1/4 : 2/5 = 1/4 * 5/2 = 5/8 => 5 : 8
Пошаговое объяснение:
1/2 : 1/7 = 1/2 * 7 = 7/2
1 1/3 : 2 1/2 = 4/3 * 2/5 = 8/15
1/4 : 2/5 = 1/4 * 5/2 = 5/8