14-9-(     )=2

11+(     )+0=17

0+(     )+2=17

6+11+(     )=20

(     )-15-0=1

(     )+2+0=19

11-(     )-0=5

7+(     )+0=16

7+0+(     )=12

12+(     )+1=16

17-0-(     )=12

20-13-(     )=5

2+(     )+2=17

(     )-6-5=0

5+(     )+2=18

(     )-7-3=5

(     )-8-0=3

(     )+17+0=17

15-(     )-2=5

16-(     )-0=2

9+4+(     )=16

0+10+(     )=18

1+(     )+6=11

(     )-2-5=10

(     )-13-0=5

18+1+(     )=20

(     )+5+0=18

13+(     )+1=18

(     )+7+3=11

13+(     )+1=20

3+4+(     )=12

8+8+(     )=20

16+4+(     )=20

(     )-1-2=11

(     )-16-3=0

8+9+(     )=19

19-(     )-7=2

19-13-(     )=2

1+(     )+4=16

(     )-2-9=8

11+1+(     )=13

12+(     )+1=14

16-(     )-5=4

20-2-(     )=14

14-6-(     )=1

(     )-15-2=1

(     )+10+0=18

2+(     )+2=19

(     )+4+2=17

19+0+(     )=19