分式加减混合计算(a/a-1-a²/a²-1)÷(1-1/a+1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 18:15:59
![分式加减混合计算(a/a-1-a²/a²-1)÷(1-1/a+1)](/uploads/image/z/1333404-36-4.jpg?t=%E5%88%86%E5%BC%8F%E5%8A%A0%E5%87%8F%E6%B7%B7%E5%90%88%E8%AE%A1%E7%AE%97%28a%2Fa-1-a%26%23178%3B%2Fa%26%23178%3B-1%29%C3%B7%281-1%2Fa%2B1%29)
x){tOӮOmtBNjuklhnau
5o05O6ԴI*ҧ ;*6:Qā)s5!jl "Q`:2$ف\ k
分式加减混合计算(a/a-1-a²/a²-1)÷(1-1/a+1)
分式加减混合计算(a/a-1-a²/a²-1)÷(1-1/a+1)
分式加减混合计算(a/a-1-a²/a²-1)÷(1-1/a+1)
=[a(a+1)-a²]/(a+1)(a-1)÷(a+1-1)/(a+1)
=a/(a+1)(a-1)×(a+1)/a
=1/(a-1)