C1646 Golden Dragon Sword

Ye Fan quickly wrote down the answer on the board without any pause.

Even the old lady who picked up her grandson from school did not want to play with this kind of question.

To him, it was as easy as flipping his hand.

And this time, Lu Xun was also very quick.

However, he was still slower than Ye Fan.

No one had time to think, and he directly announced the answer