Photos 4.6 X

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4.6 x. 5a/4x-6a/3x-4. X/7+Y/7. 5x^5+3x^4. 3:X=7.5:5.
5a/4x-6a/3x-4. X/7+Y/7. 5x^5+3x^4. 3:X=7.5:5.

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