Răspuns :
16:4.2=8 16 se imparte la 4 apoi immultesti cu 2
16:4=4 baloane alexandra
16*2=32 baloane maria
16 baloane oana
16+32+4=52 baloane la unloc
16*2=32 baloane maria
16 baloane oana
16+32+4=52 baloane la unloc