Răspuns:
18 saci grau................20 saci porumb..........1440 kg
24 saci grau..............20 saci porumb............1620 kg
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6 saci grau................/........................180 kg
1 sac grau.....................180:6=30 kg(este raspunsul la punctul (a)
poti sa imi dai coroana ??