រង្វាស់ខ្នាត

 $1\times10^3\ m\ =$  

• 1 km

• 1 hm

• 1 mm

• 1 nm

2 m =

• 2 dm

• 0.2 dm

• 20 dm

• 200 cm

 $\ 3\ m^3$  

• 3ooo L

•  $3000\ dm^3$  
  

• 300 L

• 30 L

រយៈពេលគិតជា

(a)  

រង្វាស់ម៉ាសគីតជា

(a)  

24 Mm =

• $24\times10^3\ m$

• $24\times10^6\ m$

• $24\times10^{9\ ^{ }}m$

• $24\times10^{12}$

60 mn =

• 1 h

• 10 h

• 1 s

• 10 s

180 mn =

• 30 h

• 3 h

• 300 s

• 18000s

1450 g =

• 14.5 Kg

• 1.45 Kg

• 145 Kg

• 0.145 Kg

3.2 Kg

• 32 g

• 320 g

• 3200 g

• 32000 g