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= 4 cm : 20.000 cm
= 1 : 5.000
= (4cm*6cm):(200m*300m)
= 24cm² : 60000m²
= 1cm² : 2500m²
= 1cm² : 25000000 cm²
1 : m
= 4 cm : 200 m
= 4 cm : 20.000 cm
= 1 cm : 5.000 cm