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Mathematics, 20.04.2021 15:20 turboslayer

În tabelul de mai jos este prezentată repartiţia elevilor unei clase a VIII-a, în funcție de mediile obținute la matematică, pe semestrul I.

Media 4 5 6 7 8 9 10

Număr elevi 1 3 6 7 5 4 2

Numărul elevilor din această clasă care au obținut la matematică, pe semestrul I, cel puțin media 6 și cel

mult media 9 este egal cu ….

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