C1197 Iceberg Rare Gas

After the meal, Loong Hao chatted with Yan's father for a while and then went downstairs.

After all, there were still many questions that they had yet to finish. They couldn't stay up all night.

In today's class, there were a few math problems that Yan Xin didn't know much about.

Because he was too nervous, he didn't dare to ask Extinction Martial Grandma