一年級(jí)數(shù)學(xué)下冊(cè)20以內(nèi)口算練習(xí)

9+6=

13-7=

6+8=

12-7=

16-8=

4+9=

16-9=

16-4=

11-5=

11-2=

13-4=

5+6=

12-3=

5+9=

14-7=

13-5=

14-6=

15-9=

9+5=

6+6=

7+4=

7+7=

15-9=

13-6=

13-4=

12-8=

11-3=

14-9=

9+8=

8+8=

5+8=

11-6=

8+3=

13-5=

5+7=

15-7=

19-9=

8+9=

12-3=

8+8=

16-9=

13-8=

18-8=

6+7=

11-2=

13-4=

15-8=

18-9=

10+6=

8+7=

9+8=

16-8=

13-7=

14-8=

16-7=

17-9=

17-5=

13-3=

14-5=

11-7=

14-5+6=

5+5+8=

9+8=

11-9=

6+8-9=

18-9+6=

13-6+8=

15-8=

17-8=

5+7-5=

12-7+6=

2+8+5=

7+8=

14-8=

4+8-5=

15-7+6=

6+8-7=

8-7=

16-9=

9+5-5=

6+8-9=

11-3+6=

13-8=

1+9=

11-3+5=

3+6+8=

4+8-3=

11-3=

13-7=

15-8+6=

16-7+4=

9-9+8=

6+8=

13-9=

3+7+6=

15-7+6=

12-5+6=

3+9=

16-7=

3+9-8=

5+7-9=

8+8-9=

15-7=

4+8=

5+7-4=

6+4+5=

4+6+8=

13-9=

5+6=

6+9-8=