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小学一年级数学上册20以内口算练习题

2+1= 12+3= 19-15= 13+5= 8+1= 15-15= 13-2= 8+9= 3+1= 8+8= 11-10= 18-2= 10-10= 19-11= 5+2= 18-11= 14+2= 17-11= 18-6= 16-11= 15-11= 17+2= 9-7= 14-11= 17-6= 12-11= 11-11= 8+7= 9+1= 11+1=

16+1=

17+1=

1+2=

5+8=

5+1=

5-2=

7-1=

3+9=

5+5=

17-2=

6+2=

19-3=

6-4=

19-2=

7+2=

13-1=

10-9=

8+2=

19-16=

7-2=

15-13=

15-2=

9+2=

10-1=

2-2=

10+2=

14-10=

11+2=

7+8=

16+2=

2+7=

16-16=

6+8=

1+3=

1+9=

10+8=

14-13=

2+3=

3+3=

10+1=

13-11=

4+3=

18-14=

17-12=

14-14=

5+3=

19-14=

6+3=

9+3=

16-14=

10+3=

14-1=

15-3=

6-5=

11+3=

8-6=

13+3=

3+2=

18-10=

14+3=

16+3=

18-18=

1+4=

2+4=

19-13=

3+4=

5+4=

14-12=

7-6=

6+4=

7+4=

10-7=

8+4=

7+9=

9+4=

11+4=

19-7=

12+4=

0+8=

13+4=

9-1=

1+5=

18-8=

17-5=

9-2=

4+5=

16-5=

6+5=

4-2=

10-3=

19-19=

7+5=

9+5=

10+5=

14-3=

15-1=

9+8=

12+5=

14+5=

5+9=

16-4=

2+6=

5-1=

3-3=

12-1=

8-5=

18-4=

15-10=

8-1=

3+6=

6-3=

16-2=

11-1=

6-1=

5+6=

7+6= 19-10= 8+6= 10+6= 13-13= 10-4= 6-2= 12+6= 16-13= 13+6= 1+7= 3+7= 17-16= 8-2= 6+1= 18-1= 7+1= 17-1= 5+7= 14+4= 5-4= 18-16= 15+4= 15-12= 11-0= 16-3= 7+7= 16-6= 7-3= 11+7=

12+7=

1+8=

2+8=

4+8=

19-12=

11+8=

4+7=

10+9=

12+1=

18-15=

19-1=

4+4=

16-1=

1+1=

9+7=

4-1=

3-1=

3+8=

1-1=

14-2=

18+1=

12-2=

11+6=

10-2=

2+2=

3-2=

18-3=

10+4=

17-3=

13-3=

9-3=

13-10=

8-3=

5-3=

15+1=

4-3=

2+9=

15-4=

8+5=

9-4=

4+2=

8-4=

12+2=

4-4=

19-5=

18-5=

15+2=

10-5=

9-5=

7-5=

9+9=

5-5=

19-6=

0+9=

10-6=

9-6=

4+1=

6-6=

18-7=

17-7=

9+6=

8-7=

13+1=

7-7=

19-8=

10+7=

19-4=

10-8=

9-8=

3+5=

7-4=

8+3=

8-8=

19-9=

9-9=

17-10=

6+6=

16-10=

4+6=

12-10=

7+0=

18-12=

4+9=

16-12=

2-1=

13-12=

6+9=

12-12=

14+1=

18-13=

2+5=

17-13=

17-14=

7+3=

15-14=

11+5=

17-15=

14-4=

16-15=

19-17=

17-4=

18-17=

6+7=

17-17=

19-18=

0+0=

9+9=

8+7=

13+2=

6+0=

1+6=

0+9=

11+0=

4-4=

1+1=

6+9= 5+8= 7+3= 6+6= 9+5=

7+9= 8+8= 5+8= 14-9= 17-6=

4+7= 9+4= 6+8= 9+7=

7+8=

9+8= 4+6= 5+3= 6+8= 17-5=

3+7= 6+8=

9+6= 2+8= 6+9=

14-6= 5+7= 4+7= 7+9=

15-8=

6+9=

8+4=

9+8=

8+5=

9+11=

16-7=

13-7=

7+4=

8+3=

17-6=

19-8=

8+5=

9+5=

8+6=

7+14=

8+2=

4+7=

3+9=

12-8=

5+8

3+5=

13-6=

6+9=

9+5=

13-8=

4+6=

9+9=

8+7=

4+7=

6+3=

12-9=

9-3=

8+3=

5+7=

5+6=

6+8=

9+2=

7+4=

5+5=

4+9=

10+6=

9+5=

10+4=

6+10=

8+5=

14-6=

7+2=

6+5=

6+8=

9+6=

8+5=

3+6=

8+5=

7+9=

5+7=

6+8=

4+7=

5+9=

9+4=

7+8=

6+5=

4+9=

5+7=

7+7=

8+4=

5+3=

2+7=

6+4=

7+4=

3+6=

13-6=

18-9=

11-7=

6+9=

()+5=12

17-9=

13-6=

14-5 =

15-6=

18-()=9

12-9=

12+8=

11-9=

4+8= 5

+()=14

16-4= 7

+9= 1

6-7=

2+17= 1

1-()=5

12-8= 1

7-8= 18

-1= 17

-8= 17-

()=10

15-7=

10-4 =

14+6 =

16-9= 1

4+()=18

15+5=

16-8=

14-7 =

12+8 =

()+8=12

8+6= 1

4-10 = 8

+8= 1

4-9= (

)-12=3

7+5= 1

4-4=

11+9 =

11-6=

()-8=8 17+1 = 15-8= 16+3= 5+8= ()+5=18

9+2= 8+4= 7+5= 6+6=

5+6=

15-9= 14-8= 12-7=

11-6= 13-5=

9+4= 7+8= 7+7= 6+5=

5+7=

12-9= 16-8= 15-7= 1 4-6= 11-5=

9+6= 8+8=

7+6= 6

+8=

5+8=

16-9=

11-8=

13-7= 1

5-6=

12-5=

9+8= 5

+8=

7+4=

6+9=

5+9=

13-9=

13-8=

14-7=

12-6= 14-

5=

9+3=

9+8=

7+8= 6

+7= 4

+9=

11-9=

12-8=

16-7=

13-6= 15

-5=

14-9=

15-8=

17-10=

12-3= 11

-4=

11-3=

12-4=

13-4= 11

-2= 14

-10=

4+8=

5+7=

2+9= 7

+5=

8+6=

14-6= 1

2-5= 1

1-5= 1

3-8= 15

-6=

7+7=

9+9=

9+6= 8

+5= 8

+9=

11-5= 1

2-6=

14-9=

16-9= 15

-8=

4+7=

6+6=

8+8=

9+3=

7+7=

14-8=

15-6=

16-9=

17-8=

18-9=

9+9=

7+5=

8+6=

5+9=

13-8=

17-10=

6+9=

5+8=

7+3=

6+6=

9+5=

7+9=

8+8=

5+8=

14-9=

17-6=

4+7=

9+4=

6+8=

9+7=

7+8=

9+8=

4+6=

5+3=

6+8=

17-5=

3+7=

6+8=

9+6=

2+8=

6+9=

14-6=

5+7=

4+7=

7+9=

15-8=

6+9=

8+4=

9+8=

8+5=

9+11= 16-7= 13-7= 7+4= 8+3= 17-6=

19-8= 8+5= 9+5= 8+6= 7+14= 8+2= 4+7= 3+9= 12-8= 3+5= 13-6= 6+9= 9+5= 13-8= 4+6= 9+9=

8+7= 4+7= 6+3= 12-9= 9-3= 8+3=

5+7=

5+6=

6+8=

9+2=

7+4=

5+5=

4+9=

10+6=

9+5=

10+4=

6+10=

8+5=

14-6=

7+2=

6+5=

6+8=

9+6=

8+5=

3+6=

8+5=

7+9=

5+7=

6+8=

4+7=

5+9=

9+4=

7+8=

6+5=

4+9=

5+7=

7+7=

8+4=

5+3=

2+7=

6+4=

7+4=

3+6=

13-6=

18-9=

11-7=

6+9=

()+5=12

17-9=

13-6=

14-5 =

15-6=

18-()=9

12-9=

12+8=

11-9=

4+8=

5+()=14

16-4=

7+9=

16-7=

2+17=

11-()=5

12-8=

17-8=

18-1=

17-8=

17-()=10

15-7=

10-4 =

14+6 =

16-9=

14+()=18

15+5=

16-8=

14-7 =

12+8 =

()+8=12

8+6=

14-10 =

8+8=

14-9=

()

-12=37+5=

14-4=

11+9 =

11-6=

()-8=8

17+1 =

15-8=

16+3=

5+8=

()+5=18

9+2=

8+4=

7+5=

6+6=

5+6=

15-9=

14-8=

12-7=

11-6=

13-5=

9+4=

7+8=

7+7=

6+5=

5+7=

12-9=

16-8=

15-7=

14-6=

11-5= 9+6= 8+8= 7+6= 6+8= 5+8= 16-9= 11-8=

13-7= 15-6= 12-5= 9+8= 5+8= 7+4= 6+9= 5+9=

13-9= 13-8= 14-7= 12-6= 14-5= 9+3= 9+8= 7+8=

6+7= 4+9= 11-9= 12-8=

16-7=

13-6=

15-5=

14-9=

15-8=

17-10=

12-3=

11-4=

11-3=

12-4=

13-4=

11-2=

14-10=

4+8=

5+7=

2+9=

7+5=

8+6=

14-6=

12-5=

11-5=

13-8

15-6=

7+7=

9+9=

9+6=

8+5=

8+9=

11-5=

12-6=

14-9=

16-9=

15-8=

4+7=

6+6=

8+8=

9+3=

7+7=

14-8=

15-6=

16-9=

17-8=

18-9=

9+9=

7+5=

8+6=

5+9=

13-8=

17-10=

16-1=

1+15=

2+7=

12-8=

3+5=

13-6=

6+9=

9+5=

13-8=

4+6=

9+9=

8+3=

5+7=

5+6=

6+8=

9+2=

7+4=

5+5=

4+9=

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