20以内加法填空练习(共50道)
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(     )+1=19

(     )+12=18

(     )+11=11

(     )+10=14

(     )+1=20

(     )+0=18

(     )+12=13

(     )+1=18

(     )+15=18

(     )+4=13

(     )+14=17

(     )+19=19

(     )+11=17

(     )+9=16

(     )+7=18

(     )+11=12

(     )+19=20

(     )+3=13

(     )+14=18

(     )+12=12

(     )+12=12

(     )+5=19

(     )+12=14

(     )+3=18

(     )+0=13

(     )+6=20

(     )+1=17

(     )+18=18

(     )+2=12

(     )+6=19

(     )+0=19

(     )+1=11

(     )+11=12

(     )+1=14

(     )+10=10

(     )+5=12

(     )+1=18

(     )+13=15

(     )+3=14

(     )+12=18

(     )+15=20

(     )+6=20

(     )+4=16

(     )+14=19

(     )+2=19

(     )+10=19

(     )+1=14

(     )+11=17

(     )+5=14

(     )+14=16

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