一年级数学凑十法练习进步题.doc

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一年级 数学 凑十法 练习 进步
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.- 15 - 6 = 14 - 5 = 13 - 4 = 12 - 3 = 11 - 2 = 16 - 7 = 17 - 8 = 18 - 9 = 16 - 8 = 15 - 7 = 17 - 9 = 14 - 6 = 13 - 5 = 12 - 4 = 11 - 3 = 16 - 9 = 15 - 8 = 14 - 7 = 13 - 6 = 11 - 4 = 12 - 5 = 15 - 9 = 14 - 8 = 13 - 7 = 12 - 6 = 11 - 5 = 14 - 9 = 13 - 8 = 12 - 7 = 11 - 6 = 13 - 9 = 12 - 8 = 11 - 7 = 12 - 9 = 11 - 8 = 11 - 9 = 1. 拆小数,凑大数 9 + 9 = 9 + 8 = 9 + 7 = 9 + 6 = 9 + 5 = 9 + 4 = 9 + 3 = 9 + 2 = 8 + 8 = 8 + 7 = 8 + 6 = 8 + 5 = 8 + 4 = 8 + 3 = 7 + 7 = 7 + 6 = 7 + 5 = 7 + 4 = 6 + 6 = 6 + 5 = 2. 拆大数,凑小数 9 + 9 = 8 + 9 = 7 + 9 = 6 + 9 = 5 + 9 = 4 + 9 = 3 + 9 = 2 + 9 = 8 + 8 = 7 + 8 = 6 + 8 = 5 + 8 = 4 + 8 = 3 + 8 = 7 + 7 = 6 + 7 = 5 + 7 = 4 + 7 = 6 + 6 = 5 + 6 = 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 = 6 + 9 = 6 + 8 = 6 + 7 = 6 + 6 = 6 + 5 = 5 + 9 = 4 + 9 = 4 + 8 = 4 + 7 = 3 + 9 = 3 + 8 = 2 + 9 = 9 + 6 = 9 + 5 = 9 + 4 = 9 + 3 = 9 + 2 = 9 + 7 = 9 + 8 = 9 + 9 = 8 + 8 = 8 + 7 = 8 + 9 = 8 + 6 = 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 = 8 + 5 = 8 + 4 = 8 + 3 = 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 = 7 + 9 = 7 + 8 = 7 + 7 = 7 + 6 = 7 + 4 = 7 + 5 = 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 = 5 + 8 = 5 + 7 = 5 + 6 =
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