20以內退位減法(50題)

1、20以退位減法（二）班級 學號 時間20 6 =14 6 =2015=13- 9=15 6 =13 6 =11 7 =167 =13- 7=14 5 =15 8 =109 =12 6 =20- 18=13 9 =137 =2016=113 =13- 4=101 =12 8 =127 =10 2 =20- 5=12 9 =157 =14 6 =14 6 =10- 1 =20 5 =137 =205 =12 8 =20- 14=16 7 =20 6 =18 9 =2013=14- 8=13 5 =12 6 =137 =13 9 =189=17 9 =20 8 =157 =2014=13- 7=10

2、 3 =20以退位減法（一）班級 學號 時間20 6 =14 6 =2015=13- 9=15 6 =13 6 =11 7 =167 =13- 7=14 5 =15 8 =109 =12 6 =20- 18=13 9 =137 =2016=113 =13- 4=101 =12 8 =127 =10 2 =20- 5=12 9 =157 =14 6 =14 6 =10- 1 =20 5 =137 =205 =12 8 =20- 14=16 7 =20 6 =18 9 =2013=14- 8=13 5 =12 6 =137 =13 9 =189=17 9 =20 8 =157 =2014=13-

3、7=10 3 =15 8 =145 =137 =10- 3=20 6 =14 8 =11 9 =2013=17- 8=13 7 =16 9 =149 =14 5 =16- 8=112 =2014=114 =14 5 =15- 9=12 6 =12 9 =137 =10 4 =17- 8=16 9 =10 5 =107 =13 4 =11 6=12 7 =20 4 =209 =2018=10- 5=20 8 =10 6 =2014=12 5 =20- 15=20 7 =2019=207 =2011 =129=113 =2015=2016=15 9 =16- 9=101 =20以退位減法（二）班級

4、 學號 時間15 8 =145 =137 =10- 3=20 6 =14 8 =11 9 =2013=17- 8=13 7 =16 9 =149 =14 5 =16- 8=112 =2014=114 =14 5 =15- 9=12 6 =12 9 =137 =10 4 =17- 8=16 9 =10 5 =107 =13 4 =11 6=12 7 =20 4 =209 =2018=10- 5=20 8 =10 6 =2014=12 5 =20- 15=20 7 =2019=207 =2011 =129=113 =2015=2016=15 9 =16- 9=101 =20以退位減法（四）班級 學

5、號 時間12 9 =201 =20 9 =20- 7=14 9 =115 =2017=2015=15- 8=12 3 =2017=11 5 =14 8 =10- 4=2016=20 3 =105 =10 6 =17- 9=12 8 =201 =145 =101 =20- 5=12 3 =167 =11 7 =12 9 =10- 1 =16 9 =12 7 =18 9 =10 4 =20- 9=10 2 =12 5 =2012=14 5 =129=13 5 =13 9 =13 4 =20 2 =14- 5=2013=10 5 =2017=2012=10- 4=20 4 =20以退位減法（三）班級

6、學號時間12 9 =201 =20 9 =20- 7=14 9 =115 =2017=2015=15- 8=12 3 =2017=11 5 =14 8 =10- 4=2016=20 3 =105 =10 6 =17- 9=12 8 =201 =145 =101 =20- 5=12 3 =167 =11 7 =12 9 =101 =16 9 =12 7 =18 9 =10 4 =20- 9=10 2 =12 5 =2012=14 5 =129=13 5 =13 9 =13 4 =20 2 =14- 5=2013=10 5 =2017=2012=10- 4=20 4 =13 4 =12 5 =20

7、 4 =20- 19=12 7 =147 =158 =2012=20- 9=20 3 =11 7 =2015=11 7 =129=10 2 =12 4 =2012=10 4 =15- 8=10 2 =16 9 =203 =20 3 =124=2011 =2016=159 =12 3 =20- 4=12 3 =20 6 =201 =16 8 =14- 7=116 =147 =2016=14 5 =20- 12=10 7 =114 =15 6 =12 7 =11 6=14 6 =157 =2012=2013=126=10 9 =20以退位減法（四）班級 學號 時間13 4 =12 5 =20 4

8、=20- 19=12 7 =147 =158 =2012=20- 9=20 3 =11 7 =2015=11 7 =129=10 2 =12 4 =2012=10 4 =15- 8=10 2 =16 9 =203 =20 3 =124=2011 =2016=159 =12 3 =20- 4=12 3 =20 6 =201 =16 8 =14- 7=116 =147 =2016=14 5 =20- 12=10 7 =114 =15 6 =12 7 =11 6=14 6 =157 =2012=2013=126=10 9 =20以退位減法（六）班級 學號 時間10 3 =145 =20 2 =20-

9、 14=10 6 =14 5 =116 =112 =10- 9=14 5 =12 6 =11 5 =137 =10- 3=20 3 =101 =158 =157 =13- 4=2014=12 8 =179 =20 6 =10- 4=16 8 =10 4 =11 5 =10 3 =14- 6=20 3 =207 =12 4 =10 8 =20- 4=13 8 =13 5 =2018=119 =10- 7=116 =12 5 =13 4 =107 =20- 12=2019=16 8 =2017=2013=20- 9=17 9 =20以退位減法（五）班級 學號 時間10 3 =145 =20 2 =

10、20- 14=10 6 =14 5 =116 =112 =10- 9=14 5 =12 6 =11 5 =137 =10- 3=20 3 =101 =158 =157 =13- 4=2014=12 8 =179 =20 6 =10- 4=16 8 =10 4 =11 5 =10 3 =14- 6=20 3 =207 =12 4 =10 8 =20- 4=13 8 =13 5 =2018=119 =10- 7=116 =12 5 =13 4 =107 =20- 12=2019=16 8 =2017=2013=20- 9=17 9 =12 8 =12 5 =14 9 =14- 6=20-11 =2

11、017=101 =17 8 =20- 16=10 6 =18 9 =107 =2014=10- 4=12 5 =2015=167 =17 9 =11 7=14 8 =101 =158 =116 =123=16 9 =2015=116 =2017=20- 8=114 =12 6 =145 =2012=10- 7=2014=114 =12 6 =116 =20- 1 =2012=12 7 =145 =13 4 =20- 2=10 9 =12 9 =135 =2016=10- 3=14 9 =20以退位減法（六）班級 學號 時間12 8 =12 5 =14 9 =14- 6=20-11 =2017=

12、101 =17 8 =20- 16=10 6 =18 9 =107 =2014=10- 4=12 5 =2015=167 =17 9 =11 7=14 8 =101 =158 =116 =123=16 9 =2015=116 =2017=20- 8=114 =12 6 =145 =2012=10- 7=2014=114 =12 6 =116 =20- 1 =2012=12 7 =145 =13 4 =20- 2=10 9 =12 9 =135 =2016=10- 3=14 9 =20以退位減法（八）班級 學號 時間20 4 =18 9 =10 4 =123=16 7 =18 9 =11 9 =

13、15 8 =10- 8=10 2 =17 9 =179 =16 9 =20- 8=20 4 =2017=137 =16 8 =20- 11 =13 9 =12 8 =145 =2013=15- 7=16 8 =14 5 =167 =12 8 =20- 16=12 6 =10 3 =157 =17 9 =20- 16=2018=20 3 =105 =207 =127=113 =10 3 =11 7 =2014=20- 15=13 4 =2011 =2019=18 9 =20- 18=14 7 =20以退位減法（七）班級 學號 時間20 4 =18 9 =10 4 =123=16 7 =18 9

14、=11 9 =15 8 =10- 8=10 2 =17 9 =179 =16 9 =20- 8=20 4 =2017=137 =16 8 =20- 11 =13 9 =12 8 =145 =2013=15- 7=16 8 =14 5 =167 =12 8 =20- 16=12 6 =10 3 =157 =17 9 =20- 16=2018=20 3 =105 =207 =127=113 =10 3 =11 7 =2014=20- 15=13 4 =2011 =2019=18 9 =20- 18=14 7 =13 6 =137 =16 9 =14- 8=12 7 =2014=10 4 =101

15、=20- 19=14 6 =10 3 =12 9 =15 6 =10- 7=20 9 =201 =137 =13 6 =124=2019=17 9 =20 4 =116 =10- 7=12 6 =2018=207 =17 8 =10- 3=115 =20 2 =13 4 =20 6 =15- 8=13 7 =20 2 =159 =112 =16- 8=115 =107 =12 5 =12 7 =10- 6=20 6 =12 8 =201 =114 =14- 9=113 =20以退位減法（八）班級 學號 時間13 6 =137 =16 9 =148=12 7 =2014=10 4 =101 =2

16、0- 19=14 6 =10 3 =12 9 =15 6 =10- 7=20 9 =201 =137 =13 6 =124=2019=17 9 =20 4 =116 =10- 7=12 6 =2018=207 =17 8 =10- 3=115 =20 2 =13 4 =20 6 =15- 8=13 7 =20 2 =159 =112 =16- 8=115 =107 =12 5 =12 7 =10- 6=20 6 =12 8 =201 =114 =14- 9=113 =20以退位減法（九）班級 學號 時間107 =13 4 =20 6 =189=2013=12 7 =178 =10 5 =10-

17、 9=18 9 =13 5 =138 =207 =20- 18=12 8 =12 5 =208 =10 2 =10- 7=118 =2015=137 =2016=20- 1 =12 6 =14 8 =12 9 =10 9 =15- 7=101 =2011 =107 =17 8 =11 3=10 9 =10 9 =2018=13 9 =126=115 =20 8 =109 =118 =10- 1 =13 6 =20 8 =20 4 =10 8 =17- 9=2012=20以退位減法（九）班級 學號 時間107 =13 4 =20 6 =189=2013=12 7 =178 =10 5 =10-

18、9=18 9 =13 5 =138 =207 =20- 18=12 8 =12 5 =208 =10 2 =10- 7=118 =2015=137 =2016=20- 1 =12 6 =14 8 =12 9 =10 9 =15- 7=101 =2011 =107 =17 8 =11 3=10 9 =10 9 =2018=13 9 =126=115 =20 8 =109 =118 =10- 1 =13 6 =20 8 =20 4 =10 8 =17- 9=2012=12 4 =10 4 =20 6 =20- 17=14 5 =10 9 =107 =12 4 =16- 9=10 8 =16 9 =203 =112 =125=20 4 =2018=147 =115 =20- 12=2013=2015=207 =20 8 =10- 9=2019=20 9 =12 8 =2018=10- 7=10 9 =2015=168 =15 9 =13- 5=2018=15 8 =108 =10 2 =16- 9=13 9 =12 6 =105 =14 5 =20- 13=112 =2019=12 3 =20 8 =20- 5=10 8 =20