20以内减法填空练习(共50道)
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18-(     )=17

18-(     )=11

(     )-13=4

(     )-8=7

(     )-8=12

(     )-10=4

(     )-11=5

17-(     )=2

12-(     )=1

(     )-5=12

18-(     )=7

12-(     )=3

17-(     )=11

11-(     )=6

(     )-0=19

(     )-9=3

11-(     )=3

19-(     )=0

14-(     )=8

14-(     )=4

20-(     )=16

(     )-4=8

(     )-9=2

(     )-8=11

(     )-10=7

14-(     )=14

(     )-8=11

(     )-17=0

(     )-2=15

(     )-7=10

(     )-4=11

17-(     )=0

(     )-6=9

(     )-14=6

18-(     )=4

12-(     )=9

18-(     )=16

(     )-5=15

(     )-2=13

(     )-12=6

(     )-1=17

15-(     )=4

15-(     )=11

20-(     )=9

13-(     )=10

11-(     )=9

(     )-12=1

(     )-10=3

(     )-10=2

(     )-9=11

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