[tex]\large\boxed{\begin{array}{l}\underline{\rm Observe\,a\,figura\,que\,eu\,anexei}\\\rm a)~150-50=100\\\rm b)~200-50=150\\\rm c)~100+150=250\\\rm d) No\,problema\,n\tilde ao\,foi\,fornecido\\\rm o\,total\,de\,alunos\,n\tilde ao\,sendo\\\rm poss\acute ivel\,calcular\,o\,total\\\rm quantos\,n\tilde ao\,estudam\,\,nenhuma\\\rm das\,mat\acute erias\end{array}}[/tex]
