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