20以内连续加法填空练习(共50道)
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9+(     )+1=16

(     )+4+0=19

(     )+13+0=19

2+(     )+8=16

(     )+2+2=19

5+(     )+10=18

8+(     )+3=16

2+15+(     )=20

18+0+(     )=18

7+13+(     )=20

(     )+0+7=20

(     )+2+11=20

(     )+17+0=20

(     )+4+0=20

8+5+(     )=13

6+5+(     )=11

(     )+10+5=20

8+4+(     )=19

5+3+(     )=13

19+(     )+0=20

7+(     )+4=11

10+9+(     )=20

17+1+(     )=18

(     )+1+2=19

(     )+10+7=17

0+(     )+1=15

(     )+16+2=19

15+1+(     )=17

(     )+0+1=18

15+2+(     )=20

(     )+9+7=17

5+(     )+7=12

10+4+(     )=19

9+(     )+3=18

(     )+3+2=12

(     )+17+0=18

9+3+(     )=19

11+(     )+1=14

4+12+(     )=18

14+3+(     )=19

6+(     )+2=16

9+4+(     )=17

1+18+(     )=19

9+7+(     )=20

(     )+13+3=18

3+(     )+10=20

19+0+(     )=20

0+(     )+2=20

(     )+6+1=20

5+(     )+6=19

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