20以内连续减法填空练习(共50道)
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11-(     )-1=0

16-(     )-4=1

13-3-(     )=0

(     )-11-2=6

(     )-3-8=7

13-(     )-4=4

19-(     )-13=0

(     )-3-1=12

18-12-(     )=3

(     )-6-4=4

19-(     )-3=1

(     )-1-4=7

13-(     )-1=6

14-13-(     )=0

12-(     )-3=8

18-(     )-3=7

12-(     )-3=9

(     )-16-0=1

(     )-9-0=11

(     )-2-1=17

16-(     )-4=1

11-6-(     )=1

(     )-11-0=6

13-12-(     )=1

15-0-(     )=13

11-0-(     )=2

15-5-(     )=2

16-(     )-0=7

(     )-4-1=14

16-6-(     )=1

19-15-(     )=0

19-16-(     )=3

(     )-11-0=3

20-(     )-15=2

(     )-1-2=17

11-(     )-0=9

(     )-11-0=1

17-(     )-11=3

13-(     )-0=11

(     )-16-2=1

13-5-(     )=1

(     )-2-9=0

(     )-9-6=5

(     )-13-4=3

12-3-(     )=8

19-0-(     )=16

16-4-(     )=2

12-(     )-0=8

16-0-(     )=14

(     )-2-17=1

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