3 cornuri.....5 pâini......2300 g /×4
4 cornuri.....2 pâini......1200 g /×3
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12 cornuri...20 pâini....9200 g
12 cornuri...6 pâini.....3600 g
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0 cornuri....14 pâini....5600 g
5600g:14=400g ( o pâine ).
400g×5=2000g ( cinci pâini ).
2300g-2000g=300g ( trei cornuri ).
300g:3=100g ( un corn ).