破十法习题 

破十法练习题

18 – 9 = 17 – 9 = 16 – 9 = 15 – 9 =

14 – 9 = 13 – 9 = 17 – 8 = 16 – 8 = 13 – 8 = 12 – 8 = 15 – 7 = 14 – 7 =

12 – 9 = 15 – 8 = 11 – 8 = 13 – 7 = 11 – 9 =

14 – 8 =

16 – 7 =

12 – 7 =

11 – 7 = 15 – 6 = 14 – 6 = 13 – 6 =

12 – 6 = 11 – 6 = 14 – 5 = 13 – 5 =

12 – 5 = 11 – 4= 11 – 5 = 13 – 4= 12 – 3 = 11 – 3 =

12 – 4=

11 – 2 =