计算:(1/m²)+m-2/2m²-2)
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计算:(1/m²)+m-2/2m²-2)计算:(1/m²)+m-2/2m²-2)计算:(1/m²)+m-2/2m²-2)(1/m²
计算:(1/m²)+m-2/2m²-2)
计算:(1/m²)+m-2/2m²-2)
计算:(1/m²)+m-2/2m²-2)
(1/m²)+(m-2)/(2m²-2)
=(2m²-2)/(2m²-2)m²+(m-2)m²/(2m²-2)m²
=[2m²-2+m^3-2m²/]/(2m²-2)m²
=(m^3-2)/(2m²-2)m²