作业帮计算a²/(a²+2a)*[(a²/a-2)-(a/a-2)]
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/26 19:25:13
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计算a²/(a²+2a)*[(a²/a-2)-(a/a-2)]
计算a²/(a²+2a)*[(a²/a-2)-(a/a-2)]
计算a²/(a²+2a)*[(a²/a-2)-(a/a-2)]
a²/(a²+2a)*[(a²/a-2)-(a/a-2)]=a²(a-1)/(a²-4)