Question

[Vũ Minh Huy]

4 cm2 =  mm2

3 m2 =  dm2

7 dm2 =  cm

Answer 1

[HT.Phong (9A5)]

\(4cm^2=400mm^2\)

\(3m^2=300dm^2\)

\(7dm^2=700cm^2\)

Answer 2

[Nhật Tuệ Đinh]

$4c{m}^2=400m{m}^2$

$3m^2=300d{m}^2$

$7d{m}^2=700c{m}^2$