1 km2 = 100 hm2
1hm2 = 100 dam2
1 dam2 = 100 m2
1 m2 = 100 dm2
chuc bn học giỏi
\(1km^2=100hm^2\)
\(1hm^2=100dam^2\)
\(1dam^2=100m^2\)
\(1m^2=100dm^2\)
a) 100hm2
b) 100dam2
c)100m2
d)100dm2
\(1km^2=100hm^2\) \(1hm^2=100dam^2\) \(1dam^2=100m^2\) \(1m^2=100dm^2\)
1km2=100hm2
1hm2=100dam2
1dam2=100m2
1m2=100dm2