化简:第一题:6X(X²-X+1)-(2X+3)(3X-2)第二题:【(XY+2)(XY-2)-2X²Y²+4】/XY十万火急!
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![化简:第一题:6X(X²-X+1)-(2X+3)(3X-2)第二题:【(XY+2)(XY-2)-2X²Y²+4】/XY十万火急!](/uploads/image/z/1730599-7-9.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A%E7%AC%AC%E4%B8%80%E9%A2%98%EF%BC%9A6X%EF%BC%88X%26%23178%3B-X%2B1%EF%BC%89-%EF%BC%882X%2B3%EF%BC%89%EF%BC%883X-2%EF%BC%89%E7%AC%AC%E4%BA%8C%E9%A2%98%EF%BC%9A%E3%80%90%EF%BC%88XY%2B2%29%28XY-2%29-2X%26%23178%3BY%26%23178%3B%2B4%E3%80%91%2FXY%E5%8D%81%E4%B8%87%E7%81%AB%E6%80%A5%EF%BC%81)
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化简:第一题:6X(X²-X+1)-(2X+3)(3X-2)第二题:【(XY+2)(XY-2)-2X²Y²+4】/XY十万火急!
化简:第一题:6X(X²-X+1)-(2X+3)(3X-2)第二题:【(XY+2)(XY-2)-2X²Y²+4】/XY
十万火急!
化简:第一题:6X(X²-X+1)-(2X+3)(3X-2)第二题:【(XY+2)(XY-2)-2X²Y²+4】/XY十万火急!
1、原式=6x²-6x+6-(6x²-4x+9x-6)
=6x²-6x+6-6x²-5x+6
=-11x+12
2、原式=(x²y²-4-2x²y²+4)/(xy)
=-x²y²/(xy)
=-xy