化简下列各式,请给位帮帮忙1.(a²)的3次方+(2a的三次方)²减去2a的三次方*a的三次方2(a+2b)(a-2b)-1/2b(a-8b)3(m+1)²-3(m+2)(m-2)+(2m+3)(m-6)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 05:45:53
![化简下列各式,请给位帮帮忙1.(a²)的3次方+(2a的三次方)²减去2a的三次方*a的三次方2(a+2b)(a-2b)-1/2b(a-8b)3(m+1)²-3(m+2)(m-2)+(2m+3)(m-6)](/uploads/image/z/2757707-35-7.jpg?t=%E5%8C%96%E7%AE%80%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%2C%E8%AF%B7%E7%BB%99%E4%BD%8D%E5%B8%AE%E5%B8%AE%E5%BF%991.%28a%26%23178%3B%EF%BC%89%E7%9A%843%E6%AC%A1%E6%96%B9%2B%EF%BC%882a%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%EF%BC%89%26%23178%3B%E5%87%8F%E5%8E%BB2a%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%2Aa%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B92%28a%2B2b%29%28a-2b%29-1%2F2b%28a-8b%293%28m%2B1%29%26%23178%3B-3%28m%2B2%29%28m-2%29%2B%282m%2B3%29%28m-6%29)
化简下列各式,请给位帮帮忙1.(a²)的3次方+(2a的三次方)²减去2a的三次方*a的三次方2(a+2b)(a-2b)-1/2b(a-8b)3(m+1)²-3(m+2)(m-2)+(2m+3)(m-6)
化简下列各式,请给位帮帮忙
1.(a²)的3次方+(2a的三次方)²减去2a的三次方*a的三次方
2(a+2b)(a-2b)-1/2b(a-8b)
3(m+1)²-3(m+2)(m-2)+(2m+3)(m-6)
化简下列各式,请给位帮帮忙1.(a²)的3次方+(2a的三次方)²减去2a的三次方*a的三次方2(a+2b)(a-2b)-1/2b(a-8b)3(m+1)²-3(m+2)(m-2)+(2m+3)(m-6)
1. 原式=a^6+4a^6-2a^6
=3a^6 (a^6代表a的6次方)
2. 原式=(a^2-4b^2)-1/2ab+4b^2
=a^2-1/2ab
3. 原式=(m^2+2m+1)-(3m^2-12)+(2m^2-9m-18)
=-7m-5
阿诺.第二题和第三题前面的2,3应该是编号吧【反正我是这么理解的哈
希望帮到你=w=