[tex]\it p>g\ cu\ 3\ \Rightarrow p=g+3\ \ \ \ \ (1)\\ \\ p<m\ de\ 4\ ori\ \Rightarrow m>p\ de\ 4\ ori \Rightarrow m=4p \stackrel{(1)}{\Longrightarrow} m=4g+12\ \ \ \ \ \ (2)\\ \\ t>m\ cu\ 4 \Rightarrow t=m+4 \stackrel{(2)}{\Longrightarrow} t=4g+16\ \ \ \ (3)[/tex]
[tex]\it p+g+m+t=111 \stackrel{(1),(2),(3)}{\Longrightarrow}\ g+3+g+4g+12+4g+16=111 \Rightarrow\\ \\ \Rightarrow 10g+31=111|_{-31} \Rightarrow 10g=80 \Rightarrow g=8\ ani\ \ \ \ \ (4)\\ \\ (1),\ (4) \Rightarrow p=8+3=11\ ani\\ \\ (2),\ (4) \Rightarrow m=4\cdot8+12=44\ ani\\ \\ (3),\ (4) \Rightarrow t=4\cdot8+16=48\ ani[/tex]
