(2xy/-mn)²÷8x²/y²乘(-2m/y²)³
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 03:05:31
![(2xy/-mn)²÷8x²/y²乘(-2m/y²)³](/uploads/image/z/764459-35-9.jpg?t=%EF%BC%882xy%2F-mn%EF%BC%89%26%23178%3B%C3%B78x%26%23178%3B%2Fy%26%23178%3B%E4%B9%98%EF%BC%88-2m%2Fy%26%23178%3B%29%26%23179%3B)
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(2xy/-mn)²÷8x²/y²乘(-2m/y²)³
(2xy/-mn)²÷8x²/y²乘(-2m/y²)³
(2xy/-mn)²÷8x²/y²乘(-2m/y²)³
原式
=(2xy/mn)²*y²/8x²*(-2m/y²)³
=4x²y²/m²n²*y²/8x²*(-8m³/y^6)
=-4x²y²/m²n²*y²/8x²*8m³/y^6
=-4m/n²y²