50以内加减法填空练习(共50道)
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39+(     )=42

(     )-24=17

(     )+27=49

30+(     )=35

37-(     )=36

(     )+2=23

(     )-24=16

(     )+1=38

31-(     )=26

39+(     )=49

49+(     )=49

8+(     )=31

(     )-14=13

7+(     )=34

(     )+3=50

50-(     )=48

(     )+17=44

7+(     )=50

3+(     )=45

40-(     )=27

(     )-1=39

37-(     )=28

31-(     )=18

43+(     )=49

24-(     )=7

(     )+2=50

(     )-11=21

27-(     )=26

(     )+1=38

22-(     )=1

39-(     )=34

(     )+24=44

(     )+0=46

11+(     )=21

(     )+21=27

(     )-32=12

(     )-36=11

18+(     )=38

36-(     )=0

(     )-19=3

(     )-19=8

13+(     )=46

33-(     )=1

(     )-15=31

17+(     )=21

(     )-14=14

38-(     )=12

38-(     )=24

(     )-45=4

(     )-8=25

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