  5
   ,        5;      .

:
-     <>,                  5.         .
-          5,        5,       .         . 
-          5,        5,    <Ctrl> + <5>  .         . 
-          5,       .
-          5,   <5>  .
-               ,       .          .    
-            2D  3D    <>   .               2D/3D  .   
-       <>    .