20以内连续加减法填空练习(共50道)
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0+(     )+2=15

20-19-(     )=0

16-1-(     )=6

(     )-4-3=4

(     )+3+16=20

(     )+5+0=16

18+0+(     )=20

16+(     )+2=20

(     )+1+0=20

(     )+1+0=20

9+(     )+0=20

6+12+(     )=20

(     )+5+1=14

18-11-(     )=3

12+(     )+0=16

(     )-9-3=2

1+(     )+2=14

(     )+8+5=18

14-13-(     )=0

(     )-6-10=0

(     )-13-1=1

18-3-(     )=15

6+2+(     )=18

13-11-(     )=1

(     )-5-9=2

3+2+(     )=12

16+(     )+1=20

(     )+0+8=18

13+1+(     )=20

(     )-6-4=2

18-(     )-2=0

(     )-5-9=4

(     )+1+4=19

(     )-7-4=2

18-(     )-13=3

(     )-11-2=0

2+12+(     )=18

17-(     )-0=11

(     )+7+1=16

16-12-(     )=4

(     )-5-1=7

9+0+(     )=16

12+(     )+2=17

(     )-13-1=4

17-(     )-1=15

11-3-(     )=4

12+(     )+1=18

0+(     )+0=12

10+(     )+0=19

9+(     )+1=16

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