20以内减法填空练习(共50道)
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14-(     )=6

12-(     )=6

12-(     )=11

17-(     )=11

18-(     )=18

17-(     )=1

12-(     )=11

19-(     )=6

12-(     )=11

16-(     )=6

12-(     )=10

11-(     )=10

15-(     )=1

18-(     )=15

12-(     )=6

11-(     )=6

16-(     )=7

12-(     )=10

11-(     )=6

14-(     )=7

19-(     )=0

20-(     )=1

15-(     )=5

19-(     )=7

13-(     )=12

11-(     )=9

13-(     )=10

16-(     )=10

12-(     )=5

13-(     )=8

16-(     )=6

13-(     )=4

20-(     )=17

11-(     )=9

16-(     )=13

15-(     )=2

18-(     )=10

11-(     )=3

16-(     )=15

16-(     )=9

19-(     )=11

16-(     )=4

11-(     )=5

17-(     )=0

18-(     )=5

13-(     )=6

18-(     )=18

15-(     )=12

20-(     )=15

16-(     )=16

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