(     )-4=0

(     )-3=1

4-(     )=2

10-(     )=4

(     )-0=1

2+(     )=4

3+(     )=6

(     )+3=6

(     )+2=4

1-(     )=1

7-(     )=2

(     )-0=4

(     )-2=0

1+(     )=5

(     )-8=0

5-(     )=2

10-(     )=6

(     )-2=2

1+(     )=2

4-(     )=1

0+(     )=0

0+(     )=8

4+(     )=5

(     )-4=4

(     )+0=7

(     )-5=5

10-(     )=7

(     )-6=2

(     )+1=9

(     )-1=5

5-(     )=4

6+(     )=9

(     )+1=8

(     )+1=4

(     )+0=8

9-(     )=3

(     )+2=5

0+(     )=7

6+(     )=6

(     )+0=5

(     )+6=6

(     )+8=10

(     )+0=9

(     )+2=9

(     )-1=1

(     )+1=8

(     )+1=8

6+(     )=6

0+(     )=10

1-(     )=1