Mathematics, 18.10.2020 15:01 swagisminecraft

Fiecare dintre cei 180 de elevi ai unei școli vorbește cel puțin una dintre limbile germană și engleză . Dintre aceștia, 92 vorbesc limba germană și 130 vorbesc limba engleză. * Numărul elevilor care vorbesc ambele limbi sunt in numar de
Elevii care vorbesc numai germana sunt în număr de
Elevii care vorbesc numai engleza sunt în număr de

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Fiecare dintre cei 180 de elevi ai unei școli vorbește cel puțin una dintre limbile germană și engle...

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