分式乘除法x²-4 / 3x-6 ÷ x²+4x+4 / x+2x²-1 / x²-6x+9 × x-3 / x²+x(y / x²)² × (x / y²)³ ÷ (-x / y)四次方
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![分式乘除法x²-4 / 3x-6 ÷ x²+4x+4 / x+2x²-1 / x²-6x+9 × x-3 / x²+x(y / x²)² × (x / y²)³ ÷ (-x / y)四次方](/uploads/image/z/1685292-60-2.jpg?t=%E5%88%86%E5%BC%8F%E4%B9%98%E9%99%A4%E6%B3%95x%26%23178%3B-4+%2F+3x-6+%C3%B7+x%26%23178%3B%2B4x%2B4+%2F+x%2B2x%26%23178%3B-1+%2F+x%26%23178%3B-6x%2B9+%C3%97+x-3+%2F+x%26%23178%3B%2Bx%EF%BC%88y+%2F+x%26%23178%3B%EF%BC%89%26%23178%3B++%C3%97+%EF%BC%88x+%2F+y%26%23178%3B%EF%BC%89%26%23179%3B+%C3%B7+%EF%BC%88-x+%2F+y%EF%BC%89%E5%9B%9B%E6%AC%A1%E6%96%B9)
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分式乘除法x²-4 / 3x-6 ÷ x²+4x+4 / x+2x²-1 / x²-6x+9 × x-3 / x²+x(y / x²)² × (x / y²)³ ÷ (-x / y)四次方
分式乘除法
x²-4 / 3x-6 ÷ x²+4x+4 / x+2
x²-1 / x²-6x+9 × x-3 / x²+x
(y / x²)² × (x / y²)³ ÷ (-x / y)四次方
分式乘除法x²-4 / 3x-6 ÷ x²+4x+4 / x+2x²-1 / x²-6x+9 × x-3 / x²+x(y / x²)² × (x / y²)³ ÷ (-x / y)四次方
原式=(x+2)(x-2)/3(x-2)*(x+2)/(x+2)²
=1/3
原式=(x+1)(x-1)/(x-3)²*(x-3)/x(x+1)
=(x-1)/x(x-3)
原式=y²/x^4*x³/y^6*y^4/x^4
=(x³y^6)/(x^7y^6)
=1/x^4