50以内连续减法填空练习(共50道)
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24-15-(     )=8

27-23-(     )=2

(     )-20-5=2

25-(     )-0=16

46-(     )-27=10

27-(     )-5=22

45-33-(     )=1

21-(     )-2=0

39-(     )-14=8

48-33-(     )=12

21-(     )-16=5

(     )-17-24=2

30-21-(     )=4

48-(     )-19=6

33-(     )-20=7

21-(     )-4=6

25-(     )-0=1

(     )-14-5=5

47-20-(     )=25

45-(     )-44=0

48-10-(     )=10

27-(     )-0=23

37-(     )-1=10

(     )-18-4=0

29-5-(     )=5

41-(     )-5=6

33-(     )-1=4

39-32-(     )=1

43-14-(     )=6

49-(     )-39=10

(     )-27-3=1

23-4-(     )=0

45-(     )-6=17

(     )-21-9=5

(     )-17-5=8

37-5-(     )=9

24-(     )-9=7

(     )-16-2=7

(     )-7-21=11

(     )-24-10=15

(     )-4-11=35

29-(     )-18=4

42-(     )-9=11

(     )-9-6=16

(     )-0-25=14

36-33-(     )=1

44-(     )-0=3

29-4-(     )=22

25-23-(     )=1

39-(     )-28=2

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