凑十法-破十法-练习题.pdf
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凑十法练习题.
9 + 6 = 9 + 5 = 9 + 4 = 9 + 3 = 9 + 2 = 9 + 7 = 9 + 8 = 9 + 9 = 8 + 8 = 8 + 7 = 8 + 9 = 8 + 6 = 8 + 5 = 8 + 4 = 8 + 3 = 7 + 9 = 7 + 8 = 7 + 7 = 7 + 6 = 7 + 4 = 7 + 5 =
6 + 9 = 6 + 8 = 6 +
7 =
6 + 6 = 6 + 5 = 5 + 9 =
5 + 8 = 5 + 7 = 5 +
6 =
4 + 9 = 4 + 8 = 4 + 7 =
3 + 9 = 3 + 8 = 2 + 9 =
破十法练习题
18 – 9 = 17 – 9 = 16 – 9 = 15 – 9 =
14 – 9 = 13 – 9 = 12 – 9 = 11 – 9 =
17 – 8 = 16 – 8 = 15 – 8 = 14 – 8 = 13 – 8 = 12 – 8 = 11 – 8 = 16 – 7 = 15 – 7 = 14 – 7 = 13 – 7 = 12 – 7 = 11 – 7 = 15 – 6 = 14 – 6 = 13 – 6 =
12– 6 = 11 – 6 = 14 – 5 = 13 – 5 = 12 – 5 = 11 – 5 = 13 – 4= 12 – 4= 11 – 4= 12 – 3 = 11 – 3 = 11 – 2 =