Odpowiedź :
A) 7m * 9m = 63m^2
B) 8m * 0,5m = 4m^2
C) 400m * 6m = 2400m^2
D) 30cm * 11cm = 330cm^2
1m = 100cm
1dm = 10cm
1cm = 10mm
A) 7m * 9m = 63m^2
B) 8m * 0,5m = 4m^2
C) 400m * 6m = 2400m^2
D) 30cm * 11cm = 330cm^2
1m = 100cm
1dm = 10cm
1cm = 10mm