计算:(3x^2-2x+1)-(2x^2+3x-5)=
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计算:(3x^2-2x+1)-(2x^2+3x-5)=计算:(3x^2-2x+1)-(2x^2+3x-5)=计算:(3x^2-2x+1)-(2x^2+3x-5)=:(3x^2-2x+1)-(2x^2+
计算:(3x^2-2x+1)-(2x^2+3x-5)=
计算:(3x^2-2x+1)-(2x^2+3x-5)=
计算:(3x^2-2x+1)-(2x^2+3x-5)=
:(3x^2-2x+1)-(2x^2+3x-5) = 3x^2-2x+1-2x^2-3x+5
=X^2-5X=6
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