先化简再求值 4x^5y³÷{x^4y³÷[x³y÷(x³y²÷2xy²)]},其中x=-1/2,y=3
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 15:43:29
![先化简再求值 4x^5y³÷{x^4y³÷[x³y÷(x³y²÷2xy²)]},其中x=-1/2,y=3](/uploads/image/z/1808862-6-2.jpg?t=%E5%85%88%E5%8C%96%E7%AE%80%E5%86%8D%E6%B1%82%E5%80%BC+4x%5E5y%26%23179%3B%C3%B7%7Bx%5E4y%26%23179%3B%C3%B7%5Bx%26%23179%3By%C3%B7%EF%BC%88x%26%23179%3By%26%23178%3B%C3%B72xy%26%23178%3B%29%5D%7D%2C%E5%85%B6%E4%B8%ADx%3D-1%2F2%2Cy%3D3)
先化简再求值 4x^5y³÷{x^4y³÷[x³y÷(x³y²÷2xy²)]},其中x=-1/2,y=3
先化简再求值 4x^5y³÷{x^4y³÷[x³y÷(x³y²÷2xy²)]},其中x=-1/2,y=3
先化简再求值 4x^5y³÷{x^4y³÷[x³y÷(x³y²÷2xy²)]},其中x=-1/2,y=3
先化简再求值
4x^5y³÷{x^4y³÷[x³y÷(x³y²÷2xy²)]}
=4x^5y³÷{x^4y³÷[x³y÷0.5x²]}
=4x^5y³÷(x^4y³÷2xy)
=4x^5y³÷0.5x³y²
=8x²y
=8x(-1/2)²x3
=6