(     )+9-8=11

(     )+2-2=12

20+0-(     )=20

(     )+0-0=17

6+14-(     )=13

(     )-8+5=10

(     )-0+13=14

18+(     )-0=18

(     )-9+10=15

17+(     )-2=18

10+9-(     )=11

14+(     )-0=14

13-6+(     )=16

8+(     )-1=10

5+8-(     )=8

13+7-(     )=19

(     )-0+0=18

(     )+11-7=8

18-8+(     )=11

(     )-4+11=12

11-3+(     )=19

5-4+(     )=15

(     )+9-8=3

(     )-6+6=15

7-3+(     )=13

(     )+3-3=12

1+(     )-18=1

11+5-(     )=11

(     )-13+0=0

(     )-19+0=0

6+5-(     )=10

(     )+1-0=18

5-0+(     )=16

(     )-0+14=15

15+(     )-4=16

11-1+(     )=10

7-(     )+6=11

(     )+1-1=15

(     )+0-0=19

(     )-11+14=17

13+0-(     )=13

4-(     )+18=19

(     )-1+12=13

2-(     )+13=14

1-0+(     )=17

(     )-2+15=16

4+(     )-0=13

15-12+(     )=15

4-(     )+14=18

8-3+(     )=19