C509 Economic Independence

After dinner, Ann Lixia sent Tiantian and co. to school. On the way, she suddenly thought of something and immediately opened her schoolbag, taking out a plastic belt.

"Mommy, this is for you. Can you go to the bank and exchange it for the money?" Tiantian tilted her head and asked.

"What is this?" Ann Lixia took the notes and opened them. She found that they contained ten, twenty yuan