Răspunsuri

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2014-10-05T19:19:15+03:00
Lungimea= 2 x raza x π
lungimea=2 x33xπ
lungimea=66π
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2014-10-05T23:12:30+03:00
Lungimea= 2 · raz ·π
Lungimea=2·33·π
Lungimea=66·π

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