根式计算化简1、(1/x^2-3x+2) +(1/x^2-x)+(1/x^2+x)+(1/x^2+3X+2)2、(2a^2+3a+2/a+1)-(a^2-a-5/a+2)-(3a^2-4a-5/a-2)+(2a^2-8a+5/a-3)3.1/x-1/y=3,求2x+3xy-2y/x-2xy-y的值4.设x-1/x=3,求x^10+X^8+x^2+1/x^10+X^6+x^4+1的值⊙ o ⊙ 感激不尽(⊙o
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![根式计算化简1、(1/x^2-3x+2) +(1/x^2-x)+(1/x^2+x)+(1/x^2+3X+2)2、(2a^2+3a+2/a+1)-(a^2-a-5/a+2)-(3a^2-4a-5/a-2)+(2a^2-8a+5/a-3)3.1/x-1/y=3,求2x+3xy-2y/x-2xy-y的值4.设x-1/x=3,求x^10+X^8+x^2+1/x^10+X^6+x^4+1的值⊙ o ⊙ 感激不尽(⊙o](/uploads/image/z/13391559-63-9.jpg?t=%E6%A0%B9%E5%BC%8F%E8%AE%A1%E7%AE%97%E5%8C%96%E7%AE%801%E3%80%81%281%2Fx%5E2-3x%2B2%29+%2B%281%2Fx%5E2-x%29%2B%281%2Fx%5E2%2Bx%29%2B%281%2Fx%5E2%2B3X%2B2%292%E3%80%81%282a%5E2%2B3a%2B2%2Fa%2B1%29-%28a%5E2-a-5%2Fa%2B2%29-%283a%5E2-4a-5%2Fa-2%29%2B%282a%5E2-8a%2B5%2Fa-3%293.1%2Fx-1%2Fy%3D3%2C%E6%B1%822x%2B3xy-2y%2Fx-2xy-y%E7%9A%84%E5%80%BC4.%E8%AE%BEx-1%2Fx%3D3%2C%E6%B1%82x%5E10%2BX%5E8%2Bx%5E2%2B1%2Fx%5E10%2BX%5E6%2Bx%5E4%2B1%E7%9A%84%E5%80%BC%E2%8A%99+o+%E2%8A%99+%E6%84%9F%E6%BF%80%E4%B8%8D%E5%B0%BD%28%E2%8A%99o)
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