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Преобразование пропорций

English 12 Public

Преобразование пропорций

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x/6 = 4/5

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5/x = 2/3

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3/7 = 12/x

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2/5 = x/25

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x/3 = 1/4

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9/x = 6/8

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5/6 = x/10

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x/4 = 3/9

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7/x = 9/21

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4/5 = x/25

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x/2 = 1/3

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1/4 = x/16

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