0+4+(     )=11

16-(     )-12=2

15+1+(     )=16

(     )+0+2=16

10+(     )+0=20

17-8-(     )=9

14+(     )+1=19

12+(     )+0=18

(     )+8+2=15

19+0+(     )=19

(     )+1+0=20

12-(     )-7=3

20-1-(     )=0

17-7-(     )=2

(     )+0+0=19

20-18-(     )=0

16+(     )+2=19

14-1-(     )=8

16-13-(     )=2

(     )-10-4=5

16-(     )-2=5

(     )+1+1=20

8+(     )+0=20

7+8+(     )=19

(     )+8+10=20

3+(     )+6=18

13-0-(     )=12

18+1+(     )=19

(     )-10-7=1

12+(     )+7=20

(     )-5-6=0

(     )-14-0=2

9+(     )+5=19

(     )-0-15=4

(     )-13-2=0

11-5-(     )=1

(     )+2+3=19

16+4+(     )=20

2+12+(     )=17

15+(     )+1=20

(     )-18-0=2

7+(     )+3=15

18+0+(     )=20

(     )-16-1=1

17-9-(     )=2

12+(     )+3=17

(     )+13+0=17

(     )+8+3=20

(     )+1+0=20

(     )-3-9=6