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1/3 2/3 au ramas
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2/3prajituri 8litri
8 litri x3= 24 litri au ramas +prajituri
2x8 litri= 16 litri la prajituri
2/3 din cantitatea totala lapte= 24 litri
24/2=12 litri
3x12 litri=36 litri lapte