已知|x+y+3|+(x-y-1)²=0,求1/2{【(-x^﹣²)y】²}^﹣3
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 19:39:34
![已知|x+y+3|+(x-y-1)²=0,求1/2{【(-x^﹣²)y】²}^﹣3](/uploads/image/z/4932126-54-6.jpg?t=%E5%B7%B2%E7%9F%A5%7Cx%2By%2B3%7C%2B%EF%BC%88x-y-1%EF%BC%89%26%23178%3B%3D0%2C%E6%B1%821%2F2%7B%E3%80%90%EF%BC%88-x%5E%EF%B9%A3%26%23178%3B%EF%BC%89y%E3%80%91%26%23178%3B%7D%5E%EF%B9%A33)
已知|x+y+3|+(x-y-1)²=0,求1/2{【(-x^﹣²)y】²}^﹣3
已知|x+y+3|+(x-y-1)²=0,求1/2{【(-x^﹣²)y】²}^﹣3
已知|x+y+3|+(x-y-1)²=0,求1/2{【(-x^﹣²)y】²}^﹣3
已知|x+y-3|+(x-y-1)^2=0
则x+y-3=0
x-y-1=0
所以x=2,y=1
1/2[(-x^2·y)^2]^3
=1/2[(-2^2·1)^2]^3=2048
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