2-1-(     )=0

(     )-1-2=0

4-3-(     )=1

1-(     )-1=0

9-6-(     )=3

(     )-1-1=6

9-(     )-3=4

10-(     )-1=6

(     )-1-4=1

4-(     )-1=0

9-8-(     )=1

8-(     )-2=2

8-(     )-3=2

10-(     )-2=3

(     )-1-1=0

(     )-0-1=0

(     )-2-1=0

2-0-(     )=1

7-3-(     )=0

(     )-3-0=1

(     )-3-0=1

2-1-(     )=0

3-2-(     )=0

(     )-5-0=1

(     )-4-1=4

6-2-(     )=3

(     )-5-2=0

3-2-(     )=0

4-0-(     )=0

6-(     )-1=1

4-(     )-0=2

9-(     )-0=1

9-(     )-1=4

(     )-0-0=5

(     )-1-2=1

6-(     )-0=1

8-(     )-5=3

10-(     )-2=3

6-1-(     )=3

5-(     )-0=1

(     )-0-1=0

8-6-(     )=2

2-1-(     )=0

10-(     )-6=2

(     )-5-2=2

(     )-2-7=1

2-(     )-0=1

10-(     )-4=5

2-1-(     )=1

10-(     )-0=1