|2/3x-6|+(0.2+2y) ²=0则x²+y²=
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|2/3x-6|+(0.2+2y) ²=0则x²+y²=
![|2/3x-6|+(0.2+2y) ²=0则x²+y²=](/uploads/image/z/18132008-32-8.jpg?t=%7C2%2F3x-6%7C%2B%280.2%2B2y%29+%26%23178%3B%3D0%E5%88%99x%26%23178%3B%2By%26%23178%3B%3D)
2/3x-6=0
0.2+2y=0
∴x=9
y=-0.1
x²+y²=81.01
0.2+2y=0
∴x=9
y=-0.1
x²+y²=81.01
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