Ordonați, descrescător, numerele:
a 444,04; 4,04; 40,44; 400,04; 44,4; 4 004,404;
b 12,745; 470,81; 6,2; 15,234; 44,683; 178,88;
C 30,815; 30,851; 71,2; 30,295; 302,95.​