小明是一个爱动脑筋的同学,学过乘法公式后,老师出了这样一道题:计算:3(4+1)*(4的2次方+1),能否用学过的乘法公式计算?小明想了想,把3写成4-1后,的3(4+1)*(4的2次方+1)=(4-1)*(4+1
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 19:52:56
![小明是一个爱动脑筋的同学,学过乘法公式后,老师出了这样一道题:计算:3(4+1)*(4的2次方+1),能否用学过的乘法公式计算?小明想了想,把3写成4-1后,的3(4+1)*(4的2次方+1)=(4-1)*(4+1](/uploads/image/z/7108987-67-7.jpg?t=%E5%B0%8F%E6%98%8E%E6%98%AF%E4%B8%80%E4%B8%AA%E7%88%B1%E5%8A%A8%E8%84%91%E7%AD%8B%E7%9A%84%E5%90%8C%E5%AD%A6%2C%E5%AD%A6%E8%BF%87%E4%B9%98%E6%B3%95%E5%85%AC%E5%BC%8F%E5%90%8E%2C%E8%80%81%E5%B8%88%E5%87%BA%E4%BA%86%E8%BF%99%E6%A0%B7%E4%B8%80%E9%81%93%E9%A2%98%EF%BC%9A%E8%AE%A1%E7%AE%97%EF%BC%9A3%EF%BC%884%2B1%EF%BC%89%2A%EF%BC%884%E7%9A%842%E6%AC%A1%E6%96%B9%2B1%EF%BC%89%2C%E8%83%BD%E5%90%A6%E7%94%A8%E5%AD%A6%E8%BF%87%E7%9A%84%E4%B9%98%E6%B3%95%E5%85%AC%E5%BC%8F%E8%AE%A1%E7%AE%97%3F%E5%B0%8F%E6%98%8E%E6%83%B3%E4%BA%86%E6%83%B3%2C%E6%8A%8A3%E5%86%99%E6%88%904-1%E5%90%8E%2C%E7%9A%843%EF%BC%884%2B1%EF%BC%89%2A%EF%BC%884%E7%9A%842%E6%AC%A1%E6%96%B9%2B1%EF%BC%89%3D%EF%BC%884-1%EF%BC%89%2A%EF%BC%884%2B1)
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