计算(3x+2)(3x-2)-5x(x-1)-(2x-1)(2x-1) 求专家解答,
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计算(3x+2)(3x-2)-5x(x-1)-(2x-1)(2x-1)求专家解答,计算(3x+2)(3x-2)-5x(x-1)-(2x-1)(2x-1)求专家解答,计算(3x+2)(3x-2)-5x(
计算(3x+2)(3x-2)-5x(x-1)-(2x-1)(2x-1) 求专家解答,
计算(3x+2)(3x-2)-5x(x-1)-(2x-1)(2x-1) 求专家解答,
计算(3x+2)(3x-2)-5x(x-1)-(2x-1)(2x-1) 求专家解答,
原式=9x²-4-5x²+5x-4x²+4x-1
=9x-5
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