计算:12/m^2-9-2/m-3

学习 时间:2026-08-14 05:42:49 阅读:1837
计算:12/m^2-9-2/m-3

最佳回答

专注的飞鸟

忧郁的白开水

2026-08-14 05:42:49

=12/(m+3)(m-3)-2/(m-3)=(12-2(m+3))/(m+3)(m-3)=(6-2m)/(m+3)(m-3)=-2/(m+3)

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  • 贤惠的小兔子
    回复
    2026-08-14 05:42:49

    =12/(m+3)(m-3)-2/(m-3)=(12-2(m+3))/(m+3)(m-3)=(6-2m)/(m+3)(m-3)=-2/(m+3)

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