14/39 : 21/52 =, 4 целых 1/11 : 2 целых 19/22=, 18 : 9/14 =

Question

14/39 : 21/52 =, 4 целых 1/11 : 2 целых 19/22=, 18 : 9/14 =

Comments

14/39 : 21/52 = 8/9 ;, 4 целых 1/11 : 2 целых 19/22=1цел. 3/7; , 18 : 9/14 = 28

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А можно решения?

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14/39 : 21/52 = 14/39 * 52/21 = 8/9

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Последний

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4 1/11 : 2 19/22 = 45/11 : 63/22 = 45/11 * 22/63 = 10/7 = 1 3/7

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18 : 9/14 = 18 * 14/9 = 2 * 14 = 28

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Последнииий

Answer 1

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