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1cm-500cm
1cm-5m
1cm-5m
x-20m
5x=20cm / :5
x=4cm
1cm-5m
x-15m
5x=15cm / :5
x=3cm
W zeszycie działka ta będzie miała wymiary 4cm na 3cm
15m-1500 cm
2000:500=4
1500:500=3
narysuj to 3 cm na 4 cm