|x+y-5|+(x-y-3)=0,求x-y的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 01:09:15
![|x+y-5|+(x-y-3)=0,求x-y的值](/uploads/image/z/10164246-6-6.jpg?t=%7Cx%2By-5%7C%2B%28x-y-3%29%3D0%2C%E6%B1%82x-y%E7%9A%84%E5%80%BC)
|x+y-5|+(x-y-3)=0,求x-y的值
|x+y-5|+(x-y-3)=0,求x-y的值
|x+y-5|+(x-y-3)=0,求x-y的值
x+y-5=0 (1) x-y-3=0 (2) (1)+(2) 2x-8=0 x=4 (1)-(2) y=1 x^2-y^2=16-1=15
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 01:09:15
|x+y-5|+(x-y-3)=0,求x-y的值
|x+y-5|+(x-y-3)=0,求x-y的值
|x+y-5|+(x-y-3)=0,求x-y的值
x+y-5=0 (1) x-y-3=0 (2) (1)+(2) 2x-8=0 x=4 (1)-(2) y=1 x^2-y^2=16-1=15