根号4a-4b+根号(a-b)³-根号a³-a²b(a>0)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 02:45:32
![根号4a-4b+根号(a-b)³-根号a³-a²b(a>0)](/uploads/image/z/432249-33-9.jpg?t=%E6%A0%B9%E5%8F%B74a-4b%2B%E6%A0%B9%E5%8F%B7%EF%BC%88a-b%EF%BC%89%26%23179%3B-%E6%A0%B9%E5%8F%B7a%26%23179%3B-a%26%23178%3Bb%EF%BC%88a%EF%BC%9E0%EF%BC%89)
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根号4a-4b+根号(a-b)³-根号a³-a²b(a>0)
根号4a-4b+根号(a-b)³-根号a³-a²b(a>0)
根号4a-4b+根号(a-b)³-根号a³-a²b(a>0)
我分步计算吧原式=2倍根号(a-b)+(a-b)根号(a-b)-a根号(a-b)
=(2-b)根号a-b