1\X-1\Y=3,求5X+XY-5Y\X-XY-Y的值.2-X\X-3=1\3-X -2(2X^2-4XY)\(X-2Y)=已知a^m=2,a^n=3,则a^m+n=___,a^2n=___若X^2+MXY+81Y^2是一个完全平方式,则M=___
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 00:26:23
![1\X-1\Y=3,求5X+XY-5Y\X-XY-Y的值.2-X\X-3=1\3-X -2(2X^2-4XY)\(X-2Y)=已知a^m=2,a^n=3,则a^m+n=___,a^2n=___若X^2+MXY+81Y^2是一个完全平方式,则M=___](/uploads/image/z/225882-18-2.jpg?t=1%5CX-1%5CY%3D3%2C%E6%B1%825X%2BXY-5Y%5CX-XY-Y%E7%9A%84%E5%80%BC.2-X%5CX-3%3D1%5C3-X%26%23160%3B+-2%282X%5E2-4XY%29%5C%28X-2Y%29%3D%E5%B7%B2%E7%9F%A5a%5Em%3D2%2Ca%5En%3D3%2C%E5%88%99a%5Em%2Bn%3D___%2Ca%5E2n%3D___%E8%8B%A5X%5E2%2BMXY%2B81Y%5E2%E6%98%AF%E4%B8%80%E4%B8%AA%E5%AE%8C%E5%85%A8%E5%B9%B3%E6%96%B9%E5%BC%8F%2C%E5%88%99M%3D___)
xU_OG*+U|^磦
'}CJkҔ$Q~+tY6
A}j,ٞofkdc00hKs r#'La`yRtY) 4Ğ=ά\`pJw" 8`CşN(:JwvKװr-тfմ y%1TtBp^VHZ3`2V7oF*Eؤ:ox]UыvJgE{ 0=hhMN8ZW~Bc!& аy, _.FCi CPFNrLzqz64`{_D⡜JUFY5e&ZUQ