>Nhu+ va^.y thi` a'o da`i cu?a mi`nh la` average tho^i. Ma`
>nhu+ to^i co' no'i ddo': average la` beauty!
^^^^^^^^^^^^^^^^^^^
You are such a statistician, anh Tuan :-). Ga^`n -da^y co' ngu+o+`i
digitised mo^.t so^' lo+'n ma<.t ngu+o+`i ro^`i average no' out.
Ke^'t qua? coi cu~ng -de.p la<'m.