(     )+3=16

(     )+4=16

(     )+19=20

(     )+1=11

(     )+0=16

(     )+0=11

(     )+6=16

(     )+3=15

(     )+3=19

(     )+1=20

(     )+6=16

(     )+11=18

(     )+10=12

(     )+2=16

(     )+2=12

(     )+9=20

(     )+6=19

(     )+3=13

(     )+10=15

(     )+6=18

(     )+11=19

(     )+7=15

(     )+11=20

(     )+10=18

(     )+16=17

(     )+6=19

(     )+12=17

(     )+14=17

(     )+1=16

(     )+12=19

(     )+0=17

(     )+20=20

(     )+14=20

(     )+16=17

(     )+17=18

(     )+13=18

(     )+3=13

(     )+5=14

(     )+15=20

(     )+12=20

(     )+9=16

(     )+1=16

(     )+14=18

(     )+4=16

(     )+12=15

(     )+1=18

(     )+12=19

(     )+10=12

(     )+3=19

(     )+1=16