December 2018 1 160 Report

Dau coronita,puncte,multumesc,vot..Raspunsul e 16 elevi dar am nevoie de rezolvare:

Intr-o scoala lucrau 3 sectii de sport de iarna:sectia de ski,hokei si sectia de patinaj.In ele se ocupau 38 elevi.Se stie ca in sectia de ski se ocupau 21 elevi si 3 din ei se ocupau si in sectia de patinaj,6 elevi-si in sectia de hokei si 1 elev se ocupa concomitent in toate sectiile.In sectia de patinaj se ocupau 13 elevi printre care 5 elevi se ocupau concomitent in doua sectii.Citi elevi se ocupau in sectia de hokei?
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