(- x²分之y)²÷(-y²分之x)的三次方×(-y²分之x²)的四次方(x²+3x-4分之10)-(x-1分之x+1)+1(x分之x²+4) -4)÷x²+2x分之x²-4(a-b+(a-b分之4ab)×(a+b-(a+b分
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/18 00:29:20
![(- x²分之y)²÷(-y²分之x)的三次方×(-y²分之x²)的四次方(x²+3x-4分之10)-(x-1分之x+1)+1(x分之x²+4) -4)÷x²+2x分之x²-4(a-b+(a-b分之4ab)×(a+b-(a+b分](/uploads/image/z/2758022-62-2.jpg?t=%EF%BC%88-+x%26%23178%3B%E5%88%86%E4%B9%8By%EF%BC%89%26%23178%3B%C3%B7%EF%BC%88-y%26%23178%3B%E5%88%86%E4%B9%8Bx%EF%BC%89%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%C3%97%EF%BC%88-y%26%23178%3B%E5%88%86%E4%B9%8Bx%26%23178%3B%EF%BC%89%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%EF%BC%88x%26%23178%3B%2B3x-4%E5%88%86%E4%B9%8B10%EF%BC%89-%EF%BC%88x-1%E5%88%86%E4%B9%8Bx%2B1%EF%BC%89%2B1%EF%BC%88x%E5%88%86%E4%B9%8Bx%26%23178%3B%2B4%EF%BC%89+-4%EF%BC%89%C3%B7x%26%23178%3B%2B2x%E5%88%86%E4%B9%8Bx%26%23178%3B-4%EF%BC%88a-b%2B%EF%BC%88a-b%E5%88%86%E4%B9%8B4ab%EF%BC%89%C3%97%EF%BC%88a%2Bb-%EF%BC%88a%2Bb%E5%88%86)
(- x²分之y)²÷(-y²分之x)的三次方×(-y²分之x²)的四次方(x²+3x-4分之10)-(x-1分之x+1)+1(x分之x²+4) -4)÷x²+2x分之x²-4(a-b+(a-b分之4ab)×(a+b-(a+b分
(- x²分之y)²÷(-y²分之x)的三次方×(-y²分之x²)的四次方
(x²+3x-4分之10)-(x-1分之x+1)+1
(x分之x²+4) -4)÷x²+2x分之x²-4
(a-b+(a-b分之4ab)×(a+b-(a+b分之4ab)
(- x²分之y)²÷(-y²分之x)的三次方×(-y²分之x²)的四次方(x²+3x-4分之10)-(x-1分之x+1)+1(x分之x²+4) -4)÷x²+2x分之x²-4(a-b+(a-b分之4ab)×(a+b-(a+b分
1.(- x²分之y)²÷(-y²分之x)的三次方×(-y²分之x²)的四次方
=(y²/x^4) ÷(x³/y^6) × (x^8/y^8)
=y^(2+6-8)/x^(4+3-8)
=xy^0
=x
2.(x²+3x-4分之10)-(x-1分之x+1)+1
=10/(x+4)(x-1)-(x+1)/(x-1)+1
=[10-(x+4)+(x+4)(x-1)]/(x+4)(x-1)
=(-x²+2x+2)/(x+4)(x-1)
3.(x分之x²+4) -4)÷x²+2x分之x²-4
=[(x²+4)/x-4]÷[(x²-4)/(x²+2x)]
=[(x²-4x+4)/x]*[x(x+2)/(x+2)(x-2)]
=(x-2)²x(x+2) / x(x+2)(x-2)
=x-2
4.(a-b+(a-b分之4ab)×(a+b-(a+b分之4ab)
=[(a-b)²+4ab]/(a-b) × [(a+b)²-4ab]/(a+b)
=(a+b)²/(a-b) × (a-b)²/(a+b)
=(a+b)(a-b)
=a²-b²