3 paini....... 4 cornuri.........20 lei
3 paini....... 6 cornuri........ 24 lei
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/ paini.........2 cornuri.........4 lei
1 corn: 4 lei:2=2 lei
4 cornuri: 4x2=8lei
3 paini: 20-8=12 lei
1 paine: 12:3=4 lei
Raspuns: 2 lei, 4 lei
