Name score

I. Number of entries: (28 points)

1. The number on the left is 5, the number on the right is 7, and the number in the middle is ().

2.3 The number before is (), and the number after 3 is ().

3. There are two people in front of Xiaodong and three people behind Xiaodong. There are () people in this row.

4.5 6 ( ) 3 4 3 ( ) ( ) 2

1 ( ) ( ) 4 2 8 ( ) 8 9

Second, the number of moving pictures (12 points)

( ) ( ) ( ) ( ) ( ) ( )

Three. Fill in "

7 9 8 5 7+ 1 7+2 7+ 1 6+ 1

5 3+2 5+2 4+3 3- 1 1+ 1 2+ 1 1+2

5- 1 3+ 1 2+4 3+3 3+ 1 2+2 1+ 1 3- 1

4+ 1 9-3 5+ 1 8-2 4+ 1 9-3

Four, fill in the number (30 points)

2+3=( ) 4+2=( ) 1+4=( ) 2+4=( )

5-2=( ) 5-3=( )8-3=( ) 7-4=( )

3+( )=4 4+( )=6 8=2+( ) 1+3=3+( )

4=3+( ) 5=2+( ) 5+0=( )