整式的除法(1)(2a²b²c)^4÷(-2ab³c)²=? 转(2)!↓(2)[x²*x³*x^4÷(x³)²]÷(x^5÷x³)=?(3)先化简,再求值:4x^5y³÷{x^4 y³÷[x³y÷(x³y²÷2xy
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![整式的除法(1)(2a²b²c)^4÷(-2ab³c)²=? 转(2)!↓(2)[x²*x³*x^4÷(x³)²]÷(x^5÷x³)=?(3)先化简,再求值:4x^5y³÷{x^4 y³÷[x³y÷(x³y²÷2xy](/uploads/image/z/4351219-43-9.jpg?t=%E6%95%B4%E5%BC%8F%E7%9A%84%E9%99%A4%E6%B3%95%EF%BC%881%EF%BC%89%EF%BC%882a%26%23178%3Bb%26%23178%3Bc%EF%BC%89%5E4%C3%B7%EF%BC%88-2ab%26%23179%3Bc%EF%BC%89%26%23178%3B%3D%3F+%E8%BD%AC%EF%BC%882%EF%BC%89%21%E2%86%93%EF%BC%882%EF%BC%89%5Bx%26%23178%3B%2Ax%26%23179%3B%2Ax%5E4%C3%B7%28x%26%23179%3B%EF%BC%89%26%23178%3B%5D%C3%B7%EF%BC%88x%5E5%C3%B7x%26%23179%3B%EF%BC%89%3D%3F%EF%BC%883%EF%BC%89%E5%85%88%E5%8C%96%E7%AE%80%2C%E5%86%8D%E6%B1%82%E5%80%BC%EF%BC%9A4x%5E5y%26%23179%3B%C3%B7%7Bx%5E4+y%26%23179%3B%C3%B7%5Bx%26%23179%3By%C3%B7%EF%BC%88x%26%23179%3By%26%23178%3B%C3%B72xy%26%2317)
整式的除法(1)(2a²b²c)^4÷(-2ab³c)²=? 转(2)!↓(2)[x²*x³*x^4÷(x³)²]÷(x^5÷x³)=?(3)先化简,再求值:4x^5y³÷{x^4 y³÷[x³y÷(x³y²÷2xy
整式的除法(1)(2a²b²c)^4÷(-2ab³c)²=? 转(2)!↓
(2)[x²*x³*x^4÷(x³)²]÷(x^5÷x³)=?(3)先化简,再求值:4x^5y³÷{x^4 y³÷[x³y÷(x³y²÷2xy²)]},其中x=-½,y=3?
求完整解答
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整式的除法(1)(2a²b²c)^4÷(-2ab³c)²=? 转(2)!↓(2)[x²*x³*x^4÷(x³)²]÷(x^5÷x³)=?(3)先化简,再求值:4x^5y³÷{x^4 y³÷[x³y÷(x³y²÷2xy
(1)
(2a²b²c)^4÷(-2ab³c)²
=2^4a^8b^8c^4÷2^2a^2b^6c^2
=2^(4-2)a^(8-2)b^(8-6)c^(4-2)
=2²a^6b²c²
=4a^6b²c²
(2)
[x²*x³*x^4÷(x³)²]÷(x^5÷x³)
=(x^(9-6))²÷(x^(5-3)
=x^6÷x²
=x^(6-2)
=x^4
(3)
4x^5y³÷{x^4 y³÷[x³y÷(x³y²÷2xy²)]}
=4x^5y³÷{x^4 y³÷[x³y÷(½x²)]}
=4x^5y³÷{x^4 y³÷2xy}
=4x^5y³÷½x³y²
=8x²y
x=-½,y=3
原式
=8*1/4*3
=6