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直角的初步认识

直角的初步认识. 练习本. 一、抽象直角. 二、量直角. 三、画直角. 过河. ①. ②. ③. ⑤. ⑥. ④. ⑦. 谁聪明谁来猜. ？. 谁聪明谁来猜. ？. 谁聪明谁来猜. 谁聪明谁来猜. ？. 谁聪明谁来猜. 谁聪明谁来猜. ？. 谁聪明谁来猜. 谁聪明谁来猜. 判断下面哪些角是直角.

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直角的初步认识

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  1. 直角的初步认识 练习本 一、抽象直角

  2. 二、量直角

  3. 三、画直角

  4. 过河 ① ② ③ ⑤ ⑥ ④ ⑦

  5. 谁聪明谁来猜 ？

  6. 谁聪明谁来猜

  7. ？ 谁聪明谁来猜

  8. 谁聪明谁来猜

  9. ？ 谁聪明谁来猜

  10. 谁聪明谁来猜

  11. ？ 谁聪明谁来猜

  12. 谁聪明谁来猜

  13. 判断下面哪些角是直角

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