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西师大版一年级数学下册

西师大版一年级数学下册. 退位减法. - 9. - 9. -9. + 20. -7. -6. jjllb. jjllb. jjllb. jjllb. jjllb. Ghmgh, hjj Bnb.jkv. Ghmgh, hjj Bnb.jkv. Ghmgh, hjj Bnb.jkv. 10 个装. 10 个装. 10 个装. 34-4=30. 34-10=24. 34-12=22. 34-18 =. 34-18 =. 34-18 =. 12. 你知道怎样做吗？. ？ 本. 19 本. 34 本. 28. 25. 60.

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西师大版一年级数学下册

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  1. 西师大版一年级数学下册 退位减法

  2. -9 -9 -9 +20 -7 -6

  3. jjllb jjllb jjllb jjllb jjllb Ghmgh, hjj Bnb.jkv Ghmgh, hjj Bnb.jkv Ghmgh, hjj Bnb.jkv 10个装 10个装 10个装

  4. 34-4=30 34-10=24 34-12=22 34-18 =

  5. 34-18 =

  6. 34-18 =

  7. 12

  8. 你知道怎样做吗？ ？本 19本 34本

  9. 28 25

  10. 60 70 26 52 -37 -9 -5 -24 游 泳 馆 你能顺利过关吗？

  11. 2、商店有6个 ，30个 ， 比 多几个？ 检测站 42–29=13

  12. 43-7 24-9 邮政局

  13. 下面的计算对吗？ 把不对的改正过来。 . . 40 18 32 74 69 5 ( ) ( ) √

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