求解分式计算题求过程T T
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![求解分式计算题求过程T T](/uploads/image/z/14898871-55-1.jpg?t=%E6%B1%82%E8%A7%A3%E5%88%86%E5%BC%8F%E8%AE%A1%E7%AE%97%E9%A2%98%E6%B1%82%E8%BF%87%E7%A8%8BT+T)
求解分式计算题求过程T T
求解分式计算题
求过程T T
求解分式计算题求过程T T
[x- x/(x+1)]÷[1+ x/(x²-1)]
=[x(x+1)-x]/(x+1)÷[(x²-1+x)/(x²-1)]
=x²/(x+1)×[(x²-1)/(x²-1+x)]
=x²(x+1)(x-1)/(x+1)(x²-1+x)
=x²(x-1)/(x²+x-1)
(x-x/x+1)÷(1+1/x2-1)
=[x(x+1)-x/x+1]÷[x2-1+1/(x+1)(x-1)
=(x2/x+1 )×(x+1)(x-1)/x2
=x-1
/是分数线.前面是分子,后面是分母.
X-1
我只能告诉你结果是X-1