x²+x-1=0,求x的3次方+2x²+2010已知(a的m+1次方×b的n+2)(a的2n-1×b的2m次方)=a的5次方×b的3次方,则m+n的值为 A.1 B.2 C.3 D.-3(二分之三x²+xy-五分之三y²)×(-三分之四x²y²)=?已
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 14:51:34
![x²+x-1=0,求x的3次方+2x²+2010已知(a的m+1次方×b的n+2)(a的2n-1×b的2m次方)=a的5次方×b的3次方,则m+n的值为 A.1 B.2 C.3 D.-3(二分之三x²+xy-五分之三y²)×(-三分之四x²y²)=?已](/uploads/image/z/14901695-71-5.jpg?t=x%26sup2%3B%2Bx-1%3D0%2C%E6%B1%82x%E7%9A%843%E6%AC%A1%E6%96%B9%2B2x%26sup2%3B%2B2010%E5%B7%B2%E7%9F%A5%EF%BC%88a%E7%9A%84m%2B1%E6%AC%A1%E6%96%B9%C3%97b%E7%9A%84n%2B2%EF%BC%89%EF%BC%88a%E7%9A%842n-1%C3%97b%E7%9A%842m%E6%AC%A1%E6%96%B9%EF%BC%89%3Da%E7%9A%845%E6%AC%A1%E6%96%B9%C3%97b%E7%9A%843%E6%AC%A1%E6%96%B9%2C%E5%88%99m%2Bn%E7%9A%84%E5%80%BC%E4%B8%BA+A.1+B.2+C.3+D.-3%EF%BC%88%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%89x%26%23178%3B%2Bxy-%E4%BA%94%E5%88%86%E4%B9%8B%E4%B8%89y%26%23178%3B%EF%BC%89%C3%97%EF%BC%88-%E4%B8%89%E5%88%86%E4%B9%8B%E5%9B%9Bx%26%23178%3By%26%23178%3B%EF%BC%89%3D%3F%E5%B7%B2)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 14:51:34