(-2x²/y)²·(-2y²/3x)³÷(2y/x)^4
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![(-2x²/y)²·(-2y²/3x)³÷(2y/x)^4](/uploads/image/z/1987823-47-3.jpg?t=%EF%BC%88-2x%26%23178%3B%2Fy%EF%BC%89%26%23178%3B%C2%B7%EF%BC%88-2y%26%23178%3B%2F3x%EF%BC%89%26%23179%3B%C3%B7%EF%BC%882y%2Fx%EF%BC%89%5E4)
(-2x²/y)²·(-2y²/3x)³÷(2y/x)^4
(-2x²/y)²·(-2y²/3x)³÷(2y/x)^4
(-2x²/y)²·(-2y²/3x)³÷(2y/x)^4
(-2x²/y)²·(-2y²/3x)³÷(2y/x)^4
=4x⁴/y²*(-8y^6/27x³)*x⁴/16y⁴
=x*(-8/27)*x⁴/4 (约分得到)
=-2x^5/27