化简(a-a+1分之a)÷a²-4分之a²-2a×a²+3a+2分之a-1
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 00:51:38
![化简(a-a+1分之a)÷a²-4分之a²-2a×a²+3a+2分之a-1](/uploads/image/z/445269-21-9.jpg?t=%E5%8C%96%E7%AE%80%28a-a%2B1%E5%88%86%E4%B9%8Ba%29%C3%B7a%26%23178%3B-4%E5%88%86%E4%B9%8Ba%26%23178%3B-2a%C3%97a%26%23178%3B%2B3a%2B2%E5%88%86%E4%B9%8Ba-1)
化简(a-a+1分之a)÷a²-4分之a²-2a×a²+3a+2分之a-1
化简(a-a+1分之a)÷a²-4分之a²-2a×a²+3a+2分之a-1
化简(a-a+1分之a)÷a²-4分之a²-2a×a²+3a+2分之a-1
=(a²+a-a)/(a+1)×(a+2)(a-2)/a(a-2)×(a-1)/(a+1)(a-1)
=a²/(a+1)×(a+2)/a×1/(a+1)
=a(a+2)/(a+1)²