化简(4x²-5xy)-(1/3y²+2x²)+2(3xy-1/4y²-1/12y²)求解
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![化简(4x²-5xy)-(1/3y²+2x²)+2(3xy-1/4y²-1/12y²)求解](/uploads/image/z/2831130-18-0.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%884x%26%23178%3B-5xy%EF%BC%89-%EF%BC%881%2F3y%26%23178%3B%2B2x%26%23178%3B%EF%BC%89%2B2%EF%BC%883xy-1%2F4y%26%23178%3B-1%2F12y%26%23178%3B%EF%BC%89%E6%B1%82%E8%A7%A3)
化简(4x²-5xy)-(1/3y²+2x²)+2(3xy-1/4y²-1/12y²)求解
化简(4x²-5xy)-(1/3y²+2x²)+2(3xy-1/4y²-1/12y²)求解
化简(4x²-5xy)-(1/3y²+2x²)+2(3xy-1/4y²-1/12y²)求解
(4x²-5xy)-(1/3y²+2x²)+2(3xy-1/4y²-1/12y²)
=4x²-5xy-1/3y²-2x²+6xy-1/2y²-1/6y²
=2x²+xy-y²
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