一年級數學口算練習題

18-9=

一年級數學口算練習題

10-9=

19-9=

16-9=

17-9=

11-9=

12-9=

19-9=

17-9=

15-9=

18-9=

13-9=

14-9=

18-9=

19-9=

14-9=

13-9=

12-9=

16-9=

15-9=

16-8=

14-8=

17-8=

12-8=

11-8=

13-8=

15-8=

17-8=

11-7=

15-7=

16-7=

12-7=

14-7=

13-7=

15-8=

14-7=

17-8=

12-7=

16-8=

17-9=

15-9=

16-8=

12-7=

13-8=

17-8=

11-9=

13-9=

15-7=

14-8=

14-9=

13-7=

16-9=

18-9=

12-9=

16-7=

11-8=

14-8=

15-8=

17-9=

15-7=

11-7=

16-8=

11-9=

13-8=

13-7=

18-9=

12-8=

12-7=

15-9=

13-7=

16-7=

16-8=

12-9=

16-9=

14-8=

14-7=

12-7+8=

16-8+9=

17-8+6=

16-7-2=

17-8=

14-9=

18-8=

16-7=

15-8=

11-8=

12-7=

17-9=

14-7=

12-8=

15-7=

13-9=

12-9=

16-6=

18-9=

17-9=

15-8○14-8

11-7○11-9

14-9○17-8

13-7○12-9