问三道初二的计算题1.(a+2b)²-a²-2ab2.-2(m-n)²+323.x(x-5)²+x(x-5)(x+5)“²”是指平方要写出过程.好的我会+++++++分
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 05:11:19
![问三道初二的计算题1.(a+2b)²-a²-2ab2.-2(m-n)²+323.x(x-5)²+x(x-5)(x+5)“²”是指平方要写出过程.好的我会+++++++分](/uploads/image/z/4022878-22-8.jpg?t=%E9%97%AE%E4%B8%89%E9%81%93%E5%88%9D%E4%BA%8C%E7%9A%84%E8%AE%A1%E7%AE%97%E9%A2%981.%EF%BC%88a%2B2b%EF%BC%89%26sup2%3B-a%26sup2%3B-2ab2.-2%EF%BC%88m-n%EF%BC%89%26sup2%3B%2B323.x%EF%BC%88x-5%EF%BC%89%26sup2%3B%2Bx%EF%BC%88x-5%EF%BC%89%EF%BC%88x%2B5%EF%BC%89%E2%80%9C%26sup2%3B%E2%80%9D%E6%98%AF%E6%8C%87%E5%B9%B3%E6%96%B9%E8%A6%81%E5%86%99%E5%87%BA%E8%BF%87%E7%A8%8B.%E5%A5%BD%E7%9A%84%E6%88%91%E4%BC%9A%2B%2B%2B%2B%2B%2B%2B%E5%88%86)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 05:11:19