计算:12/m^2-9-2/m-3

学习 时间:2026-11-12 18:26:55 阅读:2104
计算:12/m^2-9-2/m-3

最佳回答

动听的白昼

谨慎的大树

2026-11-12 18:26:55

=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

  • 贤惠的猫咪
    回复
    2026-11-12 18:26:55

    =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)

上一篇 ld like to buy the red coat 对划线部分提问 划线的是 the red

下一篇 I want to play computer games rather than ---(play)basketbal