Răspuns:
3 cornuri.........5 paini.............2.300g lx4
4 cornuri.........2 paini.............1200g lx3
12 cornuri......20 paini...........9.200 g
12 cornuri......6 paini.............3.600 g
20-6=14 paini
9.200-3.600=5.600 (cate grame are 14 paini)
5.600:14=400 g ( are o paine)
2x400=800 g (2 paini)
1200-800=400g (4 cornuri)
400:4=100 g (un corn)
