阅读下面的表格,并用英语数字回答问题。
Class 3
| Class 4
|
39 children
| 43 children
|
21 boys
| 21 boys
|
18 girls
| 22 girls
|
20 computers
| 30 computers
|
1.How many children are there in Class 3?
______________________________________2.How many boys are there in Class 3?
______________________________________3.How many girls are there in Class 4?
______________________________________4.How many girls are there in Class 3?
______________________________________5.How many computers are there in Class 4?
______________________________________