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得数30内减法口算练习(一)

发布时间:2019-06-14 20:35

20-5 =     18-11 =     26-2 =     14-10 =     18-16 =

28-5 =      26-4 =      20-8 =     18-9 =     26-18 =

12-5 =      24-22 =     18-4 =     20-16 =     14-8 =

28-10 =     28-15 =     18-2 =     18-8 =     20-18 =

26-10 =     20-18 =     16-13 =     24-22 =    26-3 =

20-8 =      24-22 =     22-16 =     26-2 =     12-5 =

24-10 =     20-2 =     28-24 =     16-8 =     26-21 =

18-6 =     28-21 =     29-12 =     15-12 =     15-2 =

27-10 =     17-8 =      21-16 =     15-2 =     12-4 =

14-10 =     29-14 =     19-16 =     29-26 =    12-8 =

14-12 =     26-5 =     18-10 =     16-14 =     16-4 =

20-7 =      22-15 =     20-18 =     22-3 =     17-8 =

15-4 =      13-8 =     25-8 =     25-16 =     21-12 =

25-16 =     27-16 =     29-16 =     25-8 =    23-12 =

25-16 =     27-22 =     15-8 =      27-2 =     13-4 =

29-8 =     29-12 =     29-16 =     27-20 =    29-16 =

23-4 =      13-4 =     29-4 =     27-22 =     25-16 =

27-20 =     23-4 =      27-24 =     17-8 =     29-8 =

29-16 =     29-8 =      21-4 =     25-16 =     23-6 =

29-8 =      15-2 =      13-8 =     21-16 =     13-8 =

17-8 =      13-8 =      19-12 =     13-8 =     23-2 =

15-10 =     17-8 =      21-16 =     19-6 =     13-8 =

29-20 =     23-18 =     25-8 =      17-8 =     15-6 =

19-10 =     17-8 =      29-8 =      17-8 =     15-2 =

21-4 =      27-2 =      25-8 =      17-8 =     21-4 =

21-8 =     27-12 =     15-4 =     23-14 =     27-12 =

19-10 =     21-4 =      19-6 =     29-4 =     23-14 =

21-8 =      25-16 =     17-8 =     25-16 =     21-4 =

17-8 =     25-16 =     23-6 =     23-18 =     15-10 =

29-20 =     17-8 =      29-4 =     25-8 =     27-18 =

27-6 =      21-4 =      13-8 =     27-24 =     13-4 =

25-16 =     23-20 =     15-4 =     27-22 =     19-2 =

19-8 =      23-10 =     29-8 =     21-4 =     19-14 =

29-16 =     23-4 =      21-4 =      15-4 =     29-8 =

13-8 =     23-2 =     13-10 =     23-14 =     29-14 =

23-4 =     27-24 =     21-10 =     23-12 =    19-12 =

27-8 =     14-4 =     22-15 =     16-10 =     24-22 =

18-4 =     14-8 =     18-14 =     20-11 =     22-11 =

14-4 =      16-12 =     22-22 =     22-3 =     24-4 =

26-23 =     26-9 =     28-20 =     26-14 =     20-6 =

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