计算.3(x-y)²/(y-x)³·(x-y)²÷9/y-x
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 17:07:26
计算.3(x-y)²/(y-x)³·(x-y)²÷9/y-x
计算.3(x-y)²/(y-x)³·(x-y)²÷9/y-x
计算.3(x-y)²/(y-x)³·(x-y)²÷9/y-x
3(x-y)²/(y-x)³·(x-y)²÷9/y-x
=3/(y-x)× (y-x)³/9
=(y-x)²/3
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来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 17:07:26
计算.3(x-y)²/(y-x)³·(x-y)²÷9/y-x
计算.3(x-y)²/(y-x)³·(x-y)²÷9/y-x
计算.3(x-y)²/(y-x)³·(x-y)²÷9/y-x
3(x-y)²/(y-x)³·(x-y)²÷9/y-x
=3/(y-x)× (y-x)³/9
=(y-x)²/3