3825dm2
1509cm2
1dm2 98cm2
20m2 80dm2
31dam2 7m2
a}sai đề
b}1509 cm2
c}1dm2 = 98cm2
d}20m2 = 80dm2
e}31dam2 = 7m2
\(38m^225m^2=6300dm^2\)
\(15dm^29cm^2=1509cm^2\)
\(198cm^2=1dm^298cm^2\)
\(2080dm^2=20m^280dm^2\)
\(3107m^2=31dam^27m^2\)
1}sai đề
2}1509cm
3}1dm2 = 98m2
4}20m2 = 80dm2
5}31dam2 = 7m2
3 k nhé!
38m2 25m2=6300dm2
15dm2 9cm2=1509cm2
198cm2 =1dm2 98cm2
2080dm2 =20m2 80dm2
3107m2 =3dam2 107m2
