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x-0,44x=14
0,56x=14 |:0,56
x=25
w tej klasie jest 25 uczniów
0,44x+14=x
14=x-0,44x
14=0,56x/:0,56
25=x
14*12%/56=3
32*14/56=8
3+8+14=25 :)))