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rezolva prin metoda comparatiei 3 cornuri........5paini........2300gr
4 cornuri......2paini.......1200gr
1 corn+ 1 paine........=cate grame

VA ROG DAU COROANA


Răspuns :

3cornuri...........5paini=2300g
4cornuri............2paini=1200gr
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7cornuri..............7paini=3500gr I:7=>1corn+1paine=500gr