化简:根号(y+2+3根号(2y-5))-根号(y-2+根号(2y-5))快
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 06:21:19
![化简:根号(y+2+3根号(2y-5))-根号(y-2+根号(2y-5))快](/uploads/image/z/2765534-14-4.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A%E6%A0%B9%E5%8F%B7%EF%BC%88y%2B2%2B3%E6%A0%B9%E5%8F%B7%EF%BC%882y-5%29%29-%E6%A0%B9%E5%8F%B7%EF%BC%88y-2%2B%E6%A0%B9%E5%8F%B7%EF%BC%882y-5%29%29%E5%BF%AB)
化简:根号(y+2+3根号(2y-5))-根号(y-2+根号(2y-5))快
化简:根号(y+2+3根号(2y-5))-根号(y-2+根号(2y-5))
快
化简:根号(y+2+3根号(2y-5))-根号(y-2+根号(2y-5))快
根号(y+2+3根号(2y-5))-根号(y-2+根号(2y-5))=根号(y+根号(2y-5)+2)*根号(y+根号(2y-5)-2)=[根号y+根号(2y-5)]^2-4=y-4+根号(2y-5)