20以内连续加法填空练习(共50道)
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8+(     )+1=17

9+(     )+6=17

14+(     )+0=20

19+0+(     )=19

9+(     )+1=20

7+(     )+5=18

(     )+2+12=14

(     )+3+7=19

(     )+1+5=15

5+3+(     )=15

14+5+(     )=20

0+(     )+7=19

14+(     )+3=19

4+9+(     )=20

14+3+(     )=20

12+4+(     )=18

3+(     )+0=16

(     )+2+0=13

17+(     )+0=19

(     )+1+0=11

12+1+(     )=16

13+7+(     )=20

(     )+5+0=17

(     )+6+2=20

(     )+6+6=20

5+6+(     )=20

(     )+5+2=14

17+(     )+0=18

10+4+(     )=16

(     )+12+3=18

(     )+17+0=19

(     )+18+0=20

14+(     )+0=19

16+0+(     )=19

18+0+(     )=18

(     )+2+1=19

12+(     )+1=20

14+0+(     )=15

(     )+13+1=20

7+(     )+9=17

17+1+(     )=18

17+2+(     )=19

(     )+0+1=17

(     )+2+0=20

19+(     )+0=20

(     )+0+7=20

6+6+(     )=19

(     )+0+0=13

(     )+14+1=19

(     )+0+0=12

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