50以内连续减法练习(共50道)
姓名:________ 时间:______ 得分:______

27-20-4=

33-25-1=

30-26-0=

22-2-19=

42-19-18=

37-4-18=

48-0-23=

43-23-9=

29-21-0=

27-1-2=

21-12-7=

34-15-15=

42-6-19=

27-20-1=

42-13-0=

49-42-1=

50-37-4=

48-17-9=

35-8-12=

34-8-15=

38-11-19=

23-0-9=

39-17-1=

35-4-1=

25-21-4=

24-21-0=

30-20-7=

49-33-4=

47-44-2=

27-10-2=

28-27-1=

40-10-25=

32-31-0=

26-1-8=

29-8-13=

32-5-11=

31-2-9=

38-33-5=

37-12-5=

48-10-38=

38-9-13=

39-32-2=

39-5-11=

22-10-0=

41-34-6=

26-13-13=

24-20-3=

34-7-15=

21-8-13=

43-14-20=

for every baby. @ hodaedu.com