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 =
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