a.
2,35 [[$\quad$]] 2,32 [[$\quad$]] 2,33 [[$\quad$]] 2,34 [[$\quad$]] 2,31
b.
24,52 [[$\quad$]] 24,25 [[$\quad$]] 24,50 [[$\quad$]] 24,42 [[$\quad$]] 24,24
c.
2,125 [[$\quad$]] 2,215 [[$\quad$]] 2,152 [[$\quad$]] 2,112 [[$\quad$]] 2,512
d.
19,122 [[$\quad$]] 19,212 [[$\quad$]] 19,221 [[$\quad$]] 19,112 [[$\quad$]] 19,211
