1l p .................1 l b ..............25 kg / x 3
3 l p .........:......6 l b ............114 kg
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3 l p ................3 l b ...............75 kg
3 l p ................6 l b ...............114 kg
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3 l b .................39 kg
1 lada banane = 39:3 = 13 kg
3 lazi portocale = 75 -39 =36 kg
1 lada portocale = 36:3 = 12 kg