在把分式方程1/2(1-x)+1/(x+1)=-1/6(x²-1)化为正式方程时,方程两边同乘的整式是(A)12(1-x)(x+1)(x²-1)(B)2(x+1)(x²-1)(C)6(x-1)(D)6(x-1)(x+1)
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![在把分式方程1/2(1-x)+1/(x+1)=-1/6(x²-1)化为正式方程时,方程两边同乘的整式是(A)12(1-x)(x+1)(x²-1)(B)2(x+1)(x²-1)(C)6(x-1)(D)6(x-1)(x+1)](/uploads/image/z/3763481-41-1.jpg?t=%E5%9C%A8%E6%8A%8A%E5%88%86%E5%BC%8F%E6%96%B9%E7%A8%8B1%2F2%281-x%29%2B1%2F%EF%BC%88x%2B1%EF%BC%89%3D-1%2F6%EF%BC%88x%26%23178%3B-1%EF%BC%89%E5%8C%96%E4%B8%BA%E6%AD%A3%E5%BC%8F%E6%96%B9%E7%A8%8B%E6%97%B6%2C%E6%96%B9%E7%A8%8B%E4%B8%A4%E8%BE%B9%E5%90%8C%E4%B9%98%E7%9A%84%E6%95%B4%E5%BC%8F%E6%98%AF%EF%BC%88A%EF%BC%8912%EF%BC%881-x%EF%BC%89%EF%BC%88x%2B1%EF%BC%89%EF%BC%88x%26%23178%3B-1%EF%BC%89%EF%BC%88B%EF%BC%892%EF%BC%88x%2B1%EF%BC%89%EF%BC%88x%26%23178%3B-1%EF%BC%89%EF%BC%88C%EF%BC%896%EF%BC%88x-1%EF%BC%89%EF%BC%88D%EF%BC%896%EF%BC%88x-1%EF%BC%89%EF%BC%88x%2B1%EF%BC%89)
在把分式方程1/2(1-x)+1/(x+1)=-1/6(x²-1)化为正式方程时,方程两边同乘的整式是(A)12(1-x)(x+1)(x²-1)(B)2(x+1)(x²-1)(C)6(x-1)(D)6(x-1)(x+1)
在把分式方程1/2(1-x)+1/(x+1)=-1/6(x²-1)化为正式方程时,方程两边同乘的整式是
(A)12(1-x)(x+1)(x²-1)
(B)2(x+1)(x²-1)
(C)6(x-1)
(D)6(x-1)(x+1)
在把分式方程1/2(1-x)+1/(x+1)=-1/6(x²-1)化为正式方程时,方程两边同乘的整式是(A)12(1-x)(x+1)(x²-1)(B)2(x+1)(x²-1)(C)6(x-1)(D)6(x-1)(x+1)
x²-1=(x+1)(x-1)
2和6,公倍数6
所以选D