3m2 21dm2 = ..............dm2 1m2 45cm2 = ...........cm21km2 500000m2 = ..........m2 20km2 = ................m22km2 345m2 = ...............m2 1m2 2345cm2 =...
Đọc tiếp
3m2 21dm2 = ..............dm2 1m2 45cm2 = ...........cm2
1km2 500000m2 = ..........m2 20km2 = ................m2
2km2 345m2 = ...............m2 1m2 2345cm2 = ............cm2
\(3m^221dm^2=321dm^2\)
\(1m^245cm^2=10045cm^2\)
\(1km^2500000m^2=1500000m^2\)
\(20km^2=20000000m^2\)
\(2km^2345m^2=2000345m^2\)
\(1m^22345cm^2=12345cm^2\)