时=分 2.5升=立方分米=立方厘米
一个苹果的体积约是300,一小瓶注射液的体积约100
一个集装箱的容积约是15,汽车油箱的容积约为60
20÷ 20 ÷ ×2 ×
- = ÷3= - = ÷8=
×2= ÷12= ×4= ÷7=
×0= ×4= ×6= × =
2÷ = × = 2÷ = × ÷ × =