已知XYZ不等于0,且2X+3Y=3X-8Y=5Z,求X+Y\X-Y的值
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![已知XYZ不等于0,且2X+3Y=3X-8Y=5Z,求X+Y\X-Y的值](/uploads/image/z/568073-65-3.jpg?t=%E5%B7%B2%E7%9F%A5XYZ%E4%B8%8D%E7%AD%89%E4%BA%8E0%2C%E4%B8%942X%2B3Y%3D3X-8Y%3D5Z%2C%E6%B1%82X%2BY%5CX-Y%E7%9A%84%E5%80%BC)
已知XYZ不等于0,且2X+3Y=3X-8Y=5Z,求X+Y\X-Y的值
已知XYZ不等于0,且2X+3Y=3X-8Y=5Z,求X+Y\X-Y的值
已知XYZ不等于0,且2X+3Y=3X-8Y=5Z,求X+Y\X-Y的值
2X+3Y=3X-8Y=5Z
解得X=11Z/5,Y=Z/5
X+Y\X-Y=11Z/5+1/11-Z/5
=2Z+1/11