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分数除法的巧算

分数除法的巧算. 例题 1. 238. 238. 239. 239. 例题 2. 238÷238. ÷ 238. 238. 想想，它们解法一样吗？. 1. 2004. 20. 2005. 练习. 125 ÷41. 2004÷2004. 4. 2. 7. 7. 例题 3. 4. 2. ÷. （. ）. （. ）. +. +. 11. 11. 练习. 19191919. 19. 1919. 191919. ÷.

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分数除法的巧算

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  1. 分数除法的巧算

  2. 例题1

  3. 238 238 239 239 例题2 238÷238 ÷ 238 238 想想，它们解法一样吗？

  4. 1 2004 20 2005 练习 125 ÷41 2004÷2004

  5. 4 2 7 7 例题3 4 2 ÷ （ ） （ ） + + 11 11

  6. 练习 19191919 19 1919 191919 ÷ （ ） + + 96969696 9696 969696 96

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