(     )-10=2

(     )-13=7

(     )-8=7

(     )-10=5

(     )-8=10

(     )-14=3

(     )-6=13

(     )-11=0

(     )-13=1

(     )-19=1

(     )-17=0

(     )-10=10

(     )-16=0

(     )-13=1

(     )-7=10

(     )-8=4

(     )-6=11

(     )-1=10

(     )-1=16

(     )-18=2

(     )-0=12

(     )-18=0

(     )-1=13

(     )-1=19

(     )-3=14

(     )-7=4

(     )-5=6

(     )-5=10

(     )-2=11

(     )-16=4

(     )-5=7

(     )-7=8

(     )-6=8

(     )-4=10

(     )-5=10

(     )-4=8

(     )-16=4

(     )-0=14

(     )-0=18

(     )-11=0

(     )-9=3

(     )-9=2

(     )-9=3

(     )-5=9

(     )-8=5

(     )-4=13

(     )-11=1

(     )-7=9

(     )-11=0

(     )-5=7