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Mathematics, 27.09.2019 21:50 meganwintergirl

Dintr-o clasă cu 20 de elevi , particpă la concursul de șah 16 elevi , iar la concursul de caricaturi 12 elevi. aflați câți elevi partcipă la ambele concursuri.

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Dintr-o clasă cu 20 de elevi , particpă la concursul de șah 16 elevi , iar la concursul de caricatur...

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