4575m=...km...m

37054mm=...m...mm

5687kg=..tấn..kg

15mm=..cm

6mm=..cm

5m2dm=...dm

2m47mm=..mm

9 tạ 2 kg=...kg

8 dam² 4m²=...m²

>;<;=

4525 kg=...3/4 tấn

5/2 tạ...2 tạ 50 kg

Tìm x bt:

\(\dfrac{5+X}{42}=\dfrac{5}{6}\)

\(\dfrac{25-x}{40}=\dfrac{3}{8}\)

1/10 hm²=...m²

29 km 4 m=...km

1/10 km²=...m²

>;<;=

5m^2...580 dam²

910 hm²..91 km²

75 hm²...7500 dam²