50以内加法填空练习(共50道)
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(     )+20=30

(     )+6=46

(     )+0=43

(     )+12=46

(     )+36=47

(     )+2=24

(     )+40=45

(     )+0=42

(     )+8=40

(     )+9=48

(     )+0=46

(     )+12=47

(     )+25=39

(     )+10=28

(     )+5=37

(     )+24=34

(     )+4=43

(     )+15=27

(     )+10=43

(     )+1=44

(     )+0=49

(     )+29=31

(     )+41=44

(     )+36=36

(     )+2=29

(     )+20=40

(     )+45=47

(     )+15=32

(     )+4=32

(     )+20=48

(     )+16=31

(     )+36=50

(     )+1=49

(     )+9=47

(     )+20=30

(     )+12=43

(     )+1=50

(     )+12=46

(     )+26=45

(     )+12=47

(     )+5=47

(     )+3=49

(     )+3=24

(     )+30=39

(     )+10=23

(     )+18=33

(     )+11=46

(     )+12=42

(     )+3=40

(     )+0=48

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