prima metoda
26×5=130hl
50×5=250dal
_____________
130hl-13 kilolitri
250dal-2,5kilolitri
_____________
13+2,5=15,5kilolitri
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a doua metoda
_____________
130hl-13 kilolitri
250dal-2,5kilolitri
_______________
5×(13+2,5)=15,5 kilolitri