14-5-(     )=9

16-(     )-13=1

20-1-(     )=11

17+1+(     )=19

(     )+1+7=19

4+(     )+1=20

15+(     )+0=20

17-11-(     )=3

(     )-2-5=6

11-(     )-7=2

(     )+1+1=20

(     )-14-3=2

(     )-2-4=9

19+0+(     )=20

4+7+(     )=19

7+12+(     )=19

15+(     )+2=18

(     )-16-0=3

(     )-4-7=2

(     )+1+0=20

18+2+(     )=20

(     )+1+0=17

16-1-(     )=7

16-(     )-3=4

12-(     )-5=5

19-16-(     )=3

(     )+0+0=19

(     )+3+13=16

11-4-(     )=5

(     )+2+1=18

11+8+(     )=20

13-(     )-0=9

19-(     )-11=2

14+(     )+1=15

14+(     )+1=20

7+(     )+1=19

16-(     )-1=2

11+(     )+2=20

17-6-(     )=6

7+(     )+7=19

(     )-0-6=8

(     )-14-2=0

(     )-11-3=1

18-5-(     )=13

6+4+(     )=13

2+(     )+0=19

(     )-5-3=6

16-(     )-7=2

7+4+(     )=12

7+(     )+3=19