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原来有（ ）匹马，跑走了（ ）匹，还剩（ ）匹。

减法. 2. 5. －. =. 3. 读作： 5 减 2 等于 3. 部分数. 部分数. 减 号. 总数. 原来有（ ）匹马，跑走了（ ）匹，还剩（ ）匹。. 5. 2. 3. 看图写算式。. =. 5. －. 3. 2. －. =. 4. 5. 1. 看图写算式．. 3 － 2 ＝ 1. 2 － 1 ＝ 1. 5 － 3 ＝ 2. 看图写算式。. 这幅手势图你知道是什么意思吗？. 问：你会列出算式吗？. 说一说，画一画，并列出算式. 3 － 1 ＝ 2. 看谁算得对！.

dorian-phelps
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原来有（ ）匹马，跑走了（ ）匹，还剩（ ）匹。

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  1. 减法

  2. 2 5 － = 3 读作：5减2等于3 部分数 部分数 减 号 总数 原来有（ ）匹马，跑走了（ ）匹，还剩（ ）匹。 5 2 3

  3. 看图写算式。 = 5 － 3 2

  4. － = 4 5 1

  5. 看图写算式． 3－2＝1 2－1＝1 5－3＝2

  6. 看图写算式。

  7. 这幅手势图你知道是什么意思吗？ 问：你会列出算式吗？

  8. 说一说，画一画，并列出算式 3－1＝2

  9. 看谁算得对！

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