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DissemblingTime

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Основное свойство пропорции:

Произведение крайних членов пропорции равно произведению ее средних членов.

≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈≈

2 4/6 : 3 1/2 = 9/10 : 1 1/8

2 4/6 · 1 1/8 = 3 1/2 · 9/10

2 4/6 · 1 1/8 = 16/6 · 9/8 = 16·9/6·8 = 6/2 = 3

3 1/2 · 9/10 = 7/2 · 9/10 = 7·9/2·10 = 63/20 = 3,15

3,00 ≤ 3,15

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