【直接写答案,做好给5分】整式的运算(-2x+3)(-2x-3)(-1/2x+2y)(-1/2x+2y)-2(1/3x-3/2y)(1/3x-3/2y)4(-3/2x-3y)(3/2x-3y)(3mn+1/2)(3mn-1/2)-m²n²x²-(x+2)(x-2)(x+2y+3z)(x+2y-3z
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![【直接写答案,做好给5分】整式的运算(-2x+3)(-2x-3)(-1/2x+2y)(-1/2x+2y)-2(1/3x-3/2y)(1/3x-3/2y)4(-3/2x-3y)(3/2x-3y)(3mn+1/2)(3mn-1/2)-m²n²x²-(x+2)(x-2)(x+2y+3z)(x+2y-3z](/uploads/image/z/8553639-39-9.jpg?t=%E3%80%90%E7%9B%B4%E6%8E%A5%E5%86%99%E7%AD%94%E6%A1%88%2C%E5%81%9A%E5%A5%BD%E7%BB%995%E5%88%86%E3%80%91%E6%95%B4%E5%BC%8F%E7%9A%84%E8%BF%90%E7%AE%97%EF%BC%88-2x%2B3%EF%BC%89%EF%BC%88-2x-3%EF%BC%89%EF%BC%88-1%2F2x%2B2y%EF%BC%89%EF%BC%88-1%2F2x%2B2y%EF%BC%89-2%EF%BC%881%2F3x-3%2F2y%EF%BC%89%EF%BC%881%2F3x-3%2F2y%EF%BC%894%EF%BC%88-3%2F2x-3y%EF%BC%89%EF%BC%883%2F2x-3y%EF%BC%89%EF%BC%883mn%2B1%2F2%EF%BC%89%EF%BC%883mn-1%2F2%EF%BC%89-m%26%23178%3Bn%26%23178%3Bx%26%23178%3B-%EF%BC%88x%2B2%EF%BC%89%EF%BC%88x-2%29%EF%BC%88x%2B2y%2B3z%EF%BC%89%EF%BC%88x%2B2y-3z)
【直接写答案,做好给5分】整式的运算(-2x+3)(-2x-3)(-1/2x+2y)(-1/2x+2y)-2(1/3x-3/2y)(1/3x-3/2y)4(-3/2x-3y)(3/2x-3y)(3mn+1/2)(3mn-1/2)-m²n²x²-(x+2)(x-2)(x+2y+3z)(x+2y-3z
【直接写答案,做好给5分】整式的运算
(-2x+3)(-2x-3)
(-1/2x+2y)(-1/2x+2y)
-2(1/3x-3/2y)(1/3x-3/2y)
4(-3/2x-3y)(3/2x-3y)
(3mn+1/2)(3mn-1/2)-m²n²
x²-(x+2)(x-2)
(x+2y+3z)(x+2y-3z)
(x/2+5)²-(x/2-5)²
【直接写答案,做好给5分】整式的运算(-2x+3)(-2x-3)(-1/2x+2y)(-1/2x+2y)-2(1/3x-3/2y)(1/3x-3/2y)4(-3/2x-3y)(3/2x-3y)(3mn+1/2)(3mn-1/2)-m²n²x²-(x+2)(x-2)(x+2y+3z)(x+2y-3z
(-2x+3)(-2x-3)=4x²-9
(-1/2x+2y)(-1/2x+2y)=1/4x²-2xy+4y²
-2(1/3x-3/2y)(1/3x-3/2y)=-2/9x²+2xy-9/2y²
4(-3/2x-3y)(3/2x-3y)=-9x²+36y²
(3mn+1/2)(3mn-1/2)-m²n²=8m²n²-1/4
x²-(x+2)(x-2)=4
(x+2y+3z)(x+2y-3z)=x²+4xy+4y²-9z²
(x/2+5)²-(x/2-5)²=10x
【直接写答案,做好给5分】整式的运算(-2x+3)(-2x-3)(-1/2x+2y)(-1/2x+2y)-2(1/3x-3/2y)(1/3x-3/2y)4(-3/2x-3y)(3/2x-3y)(3mn+1/2)(3mn-1/2)-m²n²x²-(x+2)(x-2)(x+2y+3z)(x+2y-3z
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