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一年级减法20内练习

发布时间:2019-06-05 18:29

10-9 =      18-16 =     13-6 =      14-2 =     18-8 =

14-12 =     10-2 =      14-3 =      10-2 =     14-6 =

18-12 =     18-2 =      14-2 =     14-3 =     14-12 =

13-2 =      13-6 =      18-6 =      10-3 =     10-7 =

10-5 =      18-9 =      14-12 =     10-6 =     14-3 =

18-14 =     14-6 =      18-12 =     10-8 =     14-2 =

18-3 =      14-10 =     14-14 =     10-8 =     14-9 =

18-6 =      10-6 =      14-2 =      10-2 =     10-3 =

10-8 =      10-6 =      14-4 =      10-8 =     14-8 =

18-11 =     10-4 =      14-4 =      14-9 =     18-8 =

18-2 =      10-6 =      10-10 =     18-3 =     14-5 =

10-3 =      19-10 =     19-12 =     11-6 =     19-6 =

11-6 =      15-4 =      15-2 =     11-6 =     19-12 =

15-4 =      19-4 =      11-8 =     15-4 =     19-14 =

19-8 =      19-2 =      11-8 =      11-6 =     19-4 =

15-6 =      11-4 =      19-16 =     15-2 =     11-8 =

11-4 =      11-8 =      15-8 =      10-6 =     19-9 =

16-3 =      10-6 =      13-6 =      10-3 =     13-9 =

19-12 =     19-9 =      13-9 =     16-12 =     13-6 =

19-12 =     13-9 =      19-15 =     19-3 =     10-3 =

16-12 =     19-12 =     13-3 =      16-3 =     13-6 =

10-3 =      16-12 =     10-3 =      16-6 =     16-3 =

16-12 =     13-9 =      19-3 =      13-6 =     10-3 =

10-6 =      13-9 =      10-6 =      19-9 =     13-3 =

13-9 =      10-3 =      13-6 =      10-6 =     10-3 =

10-6 =      19-12 =     19-6 =      10-3 =     10-6 =

10-3 =      13-9 =      10-6 =      13-9 =     13-3 =

16-6 =      10-6 =      10-3 =     19-15 =     10-3 =

13-6 =      13-9 =      19-12 =     13-6 =     16-6 =

19-3 =      10-6 =      13-6 =      19-6 =     10-3 =

13-9 =      10-3 =      13-3 =      10-6 =     19-3 =

13-3 =      19-6 =      13-9 =     19-15 =     13-6 =

14-2 =      8-8 =      11-2 =      17-2 =      14-5 =

13-3 =      19-3 =      19-15 =     16-3 =     10-3 =

10-6 =      13-6 =      19-12 =     10-3 =     19-9 =

13-6 =      19-12 =     13-6 =      10-6 =     13-6 =

16-3 =      13-6 =      10-3 =      19-6 =     16-6 =

13-6 =      16-3 =     19-12 =     10-6 =     19-12 =

13-9 =      10-3 =     19-12 =     16-12 =     10-6 =

13-3 =      19-6 =      19-9 =      13-3 =     10-6 =

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