计算:12/m^2-9-2/m-3

学习 时间:2026-04-03 08:38:29 阅读:8337
计算:12/m^2-9-2/m-3

最佳回答

舒服的流沙

精明的睫毛

2026-04-03 08:38:29

=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)

最新回答共有2条回答

  • 潇洒的火车
    回复
    2026-04-03 08:38:29

    =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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