Odpowiedź :
a) 2cm * 0,5cm = 1cm^2
b) 8cm * 20cm = 160cm^2
c) 100cm * 80cm = 8000cm^2 (0,8m^2)
1m = 100cm (1m^2 = 10000cm^2)
1dm = 10cm
1cm = 10mm
a) 2cm * 0,5cm = 1cm^2
b) 8cm * 20cm = 160cm^2
c) 100cm * 80cm = 8000cm^2 (0,8m^2)
1m = 100cm (1m^2 = 10000cm^2)
1dm = 10cm
1cm = 10mm