Question

calculați 1supra3din 3supra7
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Answer 1

1/3 x 3/7 = 3/21 = 1/7

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Answer 2

$\frac{1}{3} din \: \frac{3}{7} = \frac{1}{3} \times \frac{3}{7} = \frac{3}{21} simlificam \: cu \: 3 \: = \frac{1}{7}$

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