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13/09/2024 17:27:06

Từ ab=cd ta suy ra A. \frac{a}{b} = \frac; B. \frac{a}{b} = \frac; C. \frac{a}{b} = \frac; D. \frac{a}{b} = \frac.


Từ ab=cd ta suy ra

A. \frac{a}{b} = \frac;

B. \frac{a}{b} = \frac;

C. \frac{a}{b} = \frac;

D. \frac{a}{b} = \frac.

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