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龙泉外国语实验学校（小学部） 二年级数学组

龙泉外国语实验学校（小学部） 二年级数学组. 2. 9. 8. 2. 9. 9. ？. ？. 3. 0. 0. 3. 0. 1. 3. 0. 2. 3. 8. 0. 0. 3. 9. 0. 0. ？. 4. 0. 0. 0. 你拨我读. 4800. 806. 9030. 读数法则. 1 ．从高位起，按照数位顺序读。. 2 ．千位是几就读几千，百位是几就读几百， 十位是几就读几十，个位是几就读几。. 3 ．中间有一个 0 或几个 0 ，只读一个零； 末尾不管有几个 0 ，都不读。. 写数法则.

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龙泉外国语实验学校（小学部） 二年级数学组

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  1. 龙泉外国语实验学校（小学部） 二年级数学组

  2. 2 9 8

  3. 2 9 9

  4. ？

  5. ？

  6. 3 0 0

  7. 3 0 1

  8. 3 0 2

  9. 3 8 0 0

  10. 3 9 0 0

  11. ？

  12. 4 0 0 0

  13. 你拨我读

  14. 4800 806 9030

  15. 读数法则 1．从高位起，按照数位顺序读。 2．千位是几就读几千，百位是几就读几百， 十位是几就读几十，个位是几就读几。 3．中间有一个0或几个0，只读一个零； 末尾不管有几个0，都不读。

  16. 写数法则 1．从高位起，按照数位顺序写。 2．几千就在千位上写几，几百就在百位上写几， 几十就在十位上写几，几个就在个位上写几。 3．中间或末尾哪一位上一个也没有，就在哪一位 上写0。

  17. 236 377

  18. 252 2003

  19. 999 1001 1000 998

  20. 你的收获是什么？

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