Số đếm 11 20
11 12 13 14 15
eleven twelve thirteen fourteen fifteen
16 17 18 19 20
sixteen seventeen eighteen nineteen twentySố đếm 11 20
11 12 13 14 15
eleven twelve thirteen fourteen fifteen
16 17 18 19 20
sixteen seventeen eighteen nineteen twentySố đếm 11 20
11 12 13 14 15
eleven twelve thirteen[r]