1.
1zl=5 monet 20gr
więc otrzymałbyś 5n
2.
60x
60n/20x
3n=x
2)60=km/x
60x=km
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1.
1zl=5 monet 20gr
więc otrzymałbyś 5n
2.
60x
60n/20x
3n=x
2)60=km/x
60x=km