计算a-1/a²-6a+9÷a²-1/a²-9
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/17 02:30:40
计算a-1/a²-6a+9÷a²-1/a²-9计算a-1/a²-6a+9÷a²-1/a²-9计算a-1/a²-6a+9÷a
计算a-1/a²-6a+9÷a²-1/a²-9
计算a-1/a²-6a+9÷a²-1/a²-9
计算a-1/a²-6a+9÷a²-1/a²-9
a-1/a²-6a+9÷a²-1/a²-9
=a-1/(a-3)²÷(a+1)(a-1)/(a+3)(a-3)
=(a+3)/(a+1)(a-3)