已知√2x+y-4+(4x-y-2)²=0,求式子4分之1(-3xy²)²的值
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![已知√2x+y-4+(4x-y-2)²=0,求式子4分之1(-3xy²)²的值](/uploads/image/z/3163864-40-4.jpg?t=%E5%B7%B2%E7%9F%A5%E2%88%9A2x%2By-4%2B%284x-y-2%29%26%23178%3B%3D0%2C%E6%B1%82%E5%BC%8F%E5%AD%904%E5%88%86%E4%B9%8B1%28-3xy%26%23178%3B%29%26%23178%3B%E7%9A%84%E5%80%BC)
已知√2x+y-4+(4x-y-2)²=0,求式子4分之1(-3xy²)²的值
已知√2x+y-4+(4x-y-2)²=0,求式子4分之1(-3xy²)²的值
已知√2x+y-4+(4x-y-2)²=0,求式子4分之1(-3xy²)²的值
2x+y-4=0
4x-y-2=0
x=1,y=2
4分之1(-3xy²)²
=36
45+35.2