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4 saci cartofi....4 saci ceapa....92 kg,
4 saci cartofi....2 saci ceapa....86 kg,
1 sac cartofi=? Kg. 1 sac ceapa=? Kg


Răspuns :

4sc+4sceapa-4sc-2sceapa=92kg-86kg

2sceapa=6kg

1sceapa=3kg

4sc+6kg=86kg=>4sc=80kg=>1sc=80:4=20kg

4sc+4sceapa-4sc-2sceapa=92kg-86kg

2sceapa=6kg

1sceapa=3kg

4sc+6kg=86kg=>4sc=80kg=>1sc=20