请写出下列数字的序数词形式。1. 15_________________3. 8_________________5. 21_________________7. 2_________________9. 1_________________2. 9_______________

◎ 题干

请写出下列数字的序数词形式。

1. 15 _________________
3. 8 _________________
5. 21 _________________
7. 2 _________________
9. 1 _________________

2. 9 _________________
4. 12 _________________
6. 5 _________________
8. 3 _________________
10. 42 _________________

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◎ 解析

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◎ 知识点

根据魔方格专家分析，试题“请写出下列数字的序数词形式。1. 15_________________3. 8_________________5. 21_________________7. 2_________________9. 1_________________2. 9________________…”主要考查了你对【序数词】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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