Ответ:

  1. \(\alpha\cap\beta=l\).
  2. \(\gamma\cap\varphi=a\).
  3. \(\beta\cap\omega=k\).
  4. \((ABM)\cap(ACM)=AM\).
  5. \((KLT)\cap(DLT)=LT\).
  6. \(\alpha\cap\beta=n,\quad Q\in n\).
  7. \(P\in\varphi,\quad P\in\beta\).
  8. \(C\in\alpha,\quad C\in\omega\).
  9. \(b\subset\gamma,\quad b\subset\alpha\).
  10. \(AB\subset\alpha,\quad AB\subset\varphi\).