小明在计算61*13+39*13+61*28+39*28时,最后一步用乘法算出了正确答案他是怎样算的小明在计算61*13+39*13+61*28+39*28时,最后一步用乘法算出了正确答案,他是怎样算的呢?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 09:46:46
![小明在计算61*13+39*13+61*28+39*28时,最后一步用乘法算出了正确答案他是怎样算的小明在计算61*13+39*13+61*28+39*28时,最后一步用乘法算出了正确答案,他是怎样算的呢?](/uploads/image/z/3928338-18-8.jpg?t=%E5%B0%8F%E6%98%8E%E5%9C%A8%E8%AE%A1%E7%AE%9761%2A13%2B39%2A13%2B61%2A28%2B39%2A28%E6%97%B6%2C%E6%9C%80%E5%90%8E%E4%B8%80%E6%AD%A5%E7%94%A8%E4%B9%98%E6%B3%95%E7%AE%97%E5%87%BA%E4%BA%86%E6%AD%A3%E7%A1%AE%E7%AD%94%E6%A1%88%E4%BB%96%E6%98%AF%E6%80%8E%E6%A0%B7%E7%AE%97%E7%9A%84%E5%B0%8F%E6%98%8E%E5%9C%A8%E8%AE%A1%E7%AE%9761%2A13%2B39%2A13%2B61%2A28%2B39%2A28%E6%97%B6%2C%E6%9C%80%E5%90%8E%E4%B8%80%E6%AD%A5%E7%94%A8%E4%B9%98%E6%B3%95%E7%AE%97%E5%87%BA%E4%BA%86%E6%AD%A3%E7%A1%AE%E7%AD%94%E6%A1%88%2C%E4%BB%96%E6%98%AF%E6%80%8E%E6%A0%B7%E7%AE%97%E7%9A%84%E5%91%A2%3F)
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