C1531 Five Souls in One

Shi Bin smiled faintly. Although this topic might seem like a huge cloud to them, it wasn't too difficult for a former top student in the university like Shi Bin.

According to the first four numbers, we can find out the law of each other, and then we can calculate the fifth number from this law.

"I just didn't expect that the person who set this stage would come up with such a question