Each number from 11 to 20 is one ten plus some ones.
The number 13 is one ten and three ones. That is why it is written with a 1 and a 3 next to each other.
🔢 Tất cả điều thú vị về Số 11–20 →
Each number from 11 to 20 is one ten plus some ones.
The number 13 is one ten and three ones. That is why it is written with a 1 and a 3 next to each other.
🔢 Tất cả điều thú vị về Số 11–20 →