50以内连续减法填空练习(共50道)
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34-(     )-3=0

(     )-14-5=24

49-38-(     )=7

21-(     )-0=17

40-(     )-14=7

28-0-(     )=4

42-8-(     )=6

36-(     )-9=14

42-17-(     )=7

23-(     )-1=12

28-(     )-6=3

32-17-(     )=10

38-(     )-5=1

38-9-(     )=20

(     )-0-18=11

23-(     )-6=13

(     )-29-15=4

43-(     )-1=12

(     )-20-2=10

47-(     )-1=4

(     )-12-8=20

(     )-41-2=1

46-19-(     )=5

(     )-18-11=13

23-1-(     )=17

27-(     )-4=9

(     )-3-0=18

43-40-(     )=3

(     )-20-5=20

41-(     )-26=11

(     )-28-1=0

29-(     )-5=6

32-27-(     )=5

(     )-5-20=16

(     )-2-38=3

(     )-22-11=10

35-20-(     )=8

27-10-(     )=10

22-4-(     )=8

21-14-(     )=6

42-(     )-13=21

22-(     )-0=4

46-45-(     )=1

(     )-14-21=10

(     )-23-9=16

45-0-(     )=4

32-(     )-19=0

(     )-22-2=3

23-(     )-8=13

31-(     )-2=1

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