Răspuns :
10 dictionare---------- 2 truse---------550 lei
10 dictionare---------5 truse -------1150 lei 5-2=3 1150-550=600(3 truse) 600:3=200(o trusa) 200x2=400(2 truse) 550-400=150lei(10 dictionare) 150:10=15 lei(un dictionar)
10 dictionare---------5 truse -------1150 lei 5-2=3 1150-550=600(3 truse) 600:3=200(o trusa) 200x2=400(2 truse) 550-400=150lei(10 dictionare) 150:10=15 lei(un dictionar)