Oblicz pola prostokątów o wymiarach
3cm x 3mm
2km x 10m
100m x 100cm
0,5dm x 50 cm
Prosze o obliczenia w raz z zamiana jednostek
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3 cm - 30mm
30mm x 3mm=90mm = 9 cm
2km= 2000m
2000m x 10m= 20000 m =20km
100m=10000cm
100 x 10000=1000000cm = 10000m
3cm*0,3cm=0,9cm
2000m*10m=20000m
10000cm*100cm=1000000cm
5cm*50cm=250cm