初二下学期分式的计算······很急拜托了···(1)x-2分之3,6-3x分之2 通分 (2)(x+1)(x-4)分之1,(x-4)的平方分之2 通分 (3)3(y-1)分之x,6-3x分之2 通分 ((x-1)(x-2)分之1,x平方-2x+
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![初二下学期分式的计算······很急拜托了···(1)x-2分之3,6-3x分之2 通分 (2)(x+1)(x-4)分之1,(x-4)的平方分之2 通分 (3)3(y-1)分之x,6-3x分之2 通分 ((x-1)(x-2)分之1,x平方-2x+](/uploads/image/z/7284722-50-2.jpg?t=%E5%88%9D%E4%BA%8C%E4%B8%8B%E5%AD%A6%E6%9C%9F%E5%88%86%E5%BC%8F%E7%9A%84%E8%AE%A1%E7%AE%97%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%E5%BE%88%E6%80%A5%E6%8B%9C%E6%89%98%E4%BA%86%C2%B7%C2%B7%C2%B7%EF%BC%881%EF%BC%89x-2%E5%88%86%E4%B9%8B3%2C6-3x%E5%88%86%E4%B9%8B2+%E9%80%9A%E5%88%86+%EF%BC%882%EF%BC%89%EF%BC%88x%2B1%EF%BC%89%EF%BC%88x-4%EF%BC%89%E5%88%86%E4%B9%8B1%2C%EF%BC%88x-4%EF%BC%89%E7%9A%84%E5%B9%B3%E6%96%B9%E5%88%86%E4%B9%8B2+%E9%80%9A%E5%88%86+%EF%BC%883%EF%BC%893%EF%BC%88y-1%EF%BC%89%E5%88%86%E4%B9%8Bx%2C6-3x%E5%88%86%E4%B9%8B2+%E9%80%9A%E5%88%86+%EF%BC%88%EF%BC%88x-1%EF%BC%89%EF%BC%88x-2%EF%BC%89%E5%88%86%E4%B9%8B1%2Cx%E5%B9%B3%E6%96%B9-2x%2B)
初二下学期分式的计算······很急拜托了···(1)x-2分之3,6-3x分之2 通分 (2)(x+1)(x-4)分之1,(x-4)的平方分之2 通分 (3)3(y-1)分之x,6-3x分之2 通分 ((x-1)(x-2)分之1,x平方-2x+
初二下学期分式的计算······很急拜托了···
(1)x-2分之3,6-3x分之2 通分 (2)(x+1)(x-4)分之1,(x-4)的平方分之2 通分 (3)3(y-1)分之x,6-3x分之2 通分 ((x-1)(x-2)分之1,x平方-2x+1分之2 通分
初二下学期分式的计算······很急拜托了···(1)x-2分之3,6-3x分之2 通分 (2)(x+1)(x-4)分之1,(x-4)的平方分之2 通分 (3)3(y-1)分之x,6-3x分之2 通分 ((x-1)(x-2)分之1,x平方-2x+
1、3/(X-2)+2/(6-3X)=3/(X-2)-2/[3(X-2)]=9/[3(X-2)]-2/[3(X-2)]
2、(x+1)(x-4)分之1+(x-4)的平方分之2
=1/(X+1)(X-4)+2/(X-4)²=(x-4)/(x+1)(x-4)²+(x+1)/(x+1)(x-4)²
(3)3(y-1)分之x+6-3x分之2
=x/3(y-1)-2/[3(x-2)]=x(x-2)/[3(y-1)(x-2)]-2(y-1)/[3(y-1)(x-2)]
4) (x-1)(x-2)分之1+x平方-2x+1分之2
=1/(x-1)(x-2)+2/(x-1)²=(x-2)/(x-1)²(x-2)+2(x-2)/(x-1)²(x-2)
(x-2)(6x-3)分之3(6-3x),(x-2)(6x-3)分之2(x-2).其他自己慢慢做