120g=kg
5.4dm3=cm3 .
0.008m3=dm3
25mL=L=cm3
10dm38cm3=dm3=cm3
m3=25dm3=cm3 .
÷5=
+ =
× =
5÷ =
÷ =
4÷ =
﹣ =
0÷ =
20× 20
÷30
×
20× 18
5÷ 5
÷