一年级数学口算两位数减法不退.docx

一年级数学口算两位数减法不退.docx

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一年级数学口算两位数减法不退

12-2=97-90=78-27=78-24=

26-22=59-44=75-35=26-10=

26-23=95-42=86-76=59-29=

67-7=77-34=39-1=39-14=

87-86=89-74=97-53=87-82=

71-71=59-43=69-68=56-16=

94-92=73-41=94-4=70-30=

84-43=52-21=85-43=29-14=

98-97=54-23=88-72=97-70=

96-0=68-37=78-47=85-23=

66-56=78-48=79-16=98-56=

29-26=48-22=86-55=98-66=

92-31=74-22=89-57=82-12=

78-1=88-84=89-47=58-50=

61-60=89-0=59-27=78-5=

89-46=99-21=89-77=73-23=

50-40=96-65=85-84=69-24=

99-84=75-53=78-40=32-22=

35-22=78-67=41-20=79-74=

47-16=66-14=98-56=98-3=

74-64=46-42=94-2=66-40=

59-18=88-63=59-33=23-13=

98-75=87-54=99-29=87-21=

74-22=63-61=66-45=28-13=

37-0=75-60=49-23=82-61=

85-11=87-56=58-20=57-56=

88-85=85-23=54-1=66-63=

25-24=65-10=99-76=68-5=

99-39=78-42=76-63=59-34=

97-30=69-35=78-55=68-33=

48-28=88-57=89-50=55-54=

84-44=72-1=66-50=56-1=

62-40=26-0=86-35=92-72=

34-13=98-58=87-2=67-27=

85-41=95-80=57-20=69-32=

87-27=85-40=36-4=47-0=

90-70=76-45=77-17=97-4=

95-24=58-33=79-46=92-91=

76-12=64-22=64-62=86-61=

90-20=98-61=45-25=73-51=

81-21=14-3=57-27=92-90=

66-32=42-41=71-10=88-22=

79-78=83-20=94-10=97-41=

63-40=53-30=74-24=76-12=

99-36=77-30=77-23=81-41=

97-56=99-95=99-24=47-23=

26-13=51-41=36-1=66-42=

55-43=89-53=98-95=76-1=

67-21=48-35=34-1=91-0=

69-53=25-22=97-0=47-11=

89-51=90-80=39-38=26-5=

97-11=89-55=96-75=68-22=

27-1=96-11=19-2=75-10=

56-33=73-2=79-36=77-65=

94-54=98-45=93-40=54-20=

98-46=98-38=59-54=64-24=

27-22=94-94=58-20=49-25=

89-57=75-10=95-81=27-3=

72-11=74-3=77-35=65-13=

25-12=99-87=93-23=38-18=

77-33=88-7=27-13=94-93=

69-22=28-21=98-45=96-85=

67-61=74-52=97-74=98-6=

42-2=27-25=76-60=47-47=

59-25=69-15=99-57=99-52=

39-13=94-93=55-1=39-18=

32-22=47-34=72-72=84-80=

47-46=86-83=45-33=77-52=

87-82=79-0=62-50=93-23=

34-33=79-50=19-18=22-2=

48-3=36-31=72-21=46-10=

75-70=68-53=58-47=89-19=

84-13=48-27=97-80=76-40=

83-61=27-11=27-0=85-50=

69-45=87-14=99-60=69-3=

88-80=64-4=92-61=69-34=

58-54=60-50=47-10=88-70=

84-42=77-74=92-42=88-47=

78-23=45-23=64-61=64-13=

69-13=86-43=98-17=93-32=

89-82=16-14=75-62=75-51=

82-30=44-34=54-44=92-10=

83-51=69-51=56-43=54-13=

87-11=53-50=58-46=47-0=

85-12=79-43=33-23=76-2=

75-32=75-55=73-21=73-11=

69-3=51-30=96-86=36-5=

82-32=39-16=98-44=95-63=

19-0=77-36=67-56=62-42=

88-7=99-14=99-80=68-38=

98-72=19-6=46-43=34-14=

75-30=12-2=37-25=86-24=

89-34=34-10=29-19=43-30=

28-27=53-11=34-24=44-34=

52-20=58-34=54-10=64-10=

58-10=67-27=85-85=96-16=

80-80=27-6=68-46=27-17=

48-27=39-39=14-12=62-41=

56-51=81-40=74-50=28-0=

35-25=82-21=49-45=46-46=

97-72=88-2=86-56=86-40=

45-0=57-52=99-9=66-15=

97-15=64-1=29-26=79-60=

82-32=39-15=89-14=86-45=

48-31=53-21=67-62=88-82=

95-25=49-17=93-21=84-31=

74-74=78-38=39-28=68-42=

28-22=60-40=95-31=87-17=

76-16=25-11=72-10=18-7=

74-21=96-34=66-50=76-63=

26-26=68-48=86-53=69-57=

93-93=83-81=91-80=99-28=

48-44=35-35=44-30=39-12=

97-44=33-33=34-33=84-73=

97-35=65-41=77-75=99-16=

84-41=24-2=66-46=41-31=

40-0=63-53=17-7=99-80=

38-32=99-94=57-57=15-15=

55-55=57-42=87-27=92-82=

95-33=37-17=98-32=28-24=

62-12=49-19=82-71=37-21=

59-29=28-11=31-21=93-93=

76-70=77-1=79-77=79-42=

57-0=90-0=29-28=77-56=

52-20=26-12=88-3=38-33=

99-71=55-34=89-21=69-67=

75-14=89-79=91-50=77-61=

37-26=90-30=55-55=58-58=

56-32=79-55=24-1=35-0=

34-32=71-41=89-84=47-24=

42-21=66-66=38-28=38-26=

98-26=43-33=57-20=91-61=

25-3=88-8=17-4=86-86=

79-14=38-23=37-11=37-15=

47-46=76-62=95-55=16-2=

94-21=78-68=63-21=76-10=

88-64=87-64=99-59=64-34=

22-2=85-30=79-50=82-60=

91-21=40-40=79-56=90-40=

99-88=54-41=95-53=77-65=

18-15=67-54=90-20=64-52=

98-3=95-10=57-3=89-63=

73-63=83-72=98-47=76-42=

59-1=18-15=97-22=96-2=

89-27=61-30=59-33=29-23=

73-71=69-4=48-34=59-27=

25-14=87-70=89-17=95-15=

48-47=51-10=35-15=83-22=

93-13=87-71=75-71=97-83=

48-41=67-0=66-44=72-71=

59-1=32-2=16-11=83-0=

78-2=92-41=28-1=77-65=

91-31=96-80=55-31=54-51=

74-24=86-46=71-61=71-11=

28-13=48-38=84-12=67-4=

66-4=69-49=14-14=87-65=

93-10=28-27=55-20=63-61=

63-60=77-6=79-77=69-7=

64-1=96-14=96-96=54-44=

48-34=71-51=99-78=97-77=

94-0=92-60=53-43=38-15=

36-12=25-10=45-23=39-5=

95-32=51-31=55-10=63-11=

30-30=63-62=98-21=78-0=

94-91=82-70=71-0=56-32=

42-30=59-31=48-7=98-31=

69-0=67-23=27-22=56-50=

76-15=78-21=37-34=88-57=

29-1=37-0=46-33=89-50=

59-1=41-40=89-38=98-84=

83-11=88-46=98-83=51-41=

55-3=83-31=18-7=57-14=

75-51=92-20=43-42=94-52=

88-42=99-6=74-50=67-11=

95-61=96-51=24-10=79-15=

65-23=88-63=72-42=67-1=

64-14=16-3=22-2=86-6=

88-54=97-24=67-26=99-96=

74-31=95-0=68-48=52-40=

74-11=43-20=89-71=97-4=

69-22=29-13=61-11=98-41=

26-1=73-72=83-12=97-71=

20-10=98-95=57-35=47-4=

84-12=24-14=79-48=36-21=

72-70=55-52=44-30=96-91=

66-6=69-16=17-1=58-21=

95-42=78-17=76-4=35-33=

29-12=77-67=46-11=99-65=

73-63=95-14=58-45=61-0=

58-30=66-32=64-41=46-26=

93-30=21-21=85-45=87-81=

58-53=80-40=29-14=67-56=

99-13=13-10=46-34=87-61=

95-24=94-92=68-61=57-56=

47-40=42-22=36-31=58-20=

86-16=58-15=72-20=77-74=

88-66=53-20=23-21=96-0=

78-33=44-43=74-72=84-63=

68-21=63-11=88-42=46-10=

39-35=56-3=16-14=89-20=

45-2=88-58=95-1=79-24=

27-17=68-22=28-12=55-15=

51-30=85-43=69-41=22-21=

98-24=57-36=41-0=27-27=

79-43=65-40=66-50=59-12=

42-40=38-2=48-6=77-54=

69-30=55-2=66-26=87-6=

54-43=77-0=59-4=47-2=

98-86=68-28=31-1=96-91=

85-52=63-1=78-70=39-28=

77-25=65-65=78-67=78-74=

78-43=44-0=95-45=77-43=

59-32=78-1=77-51=49-28=

65-4=55-24=99-3=68-43=

92-40=68-68=24-21=54-34=

84-71