A breeze blew by, and Fang Yan stopped spinning the pen in her hand, brushed her hair around her ears, and looked up at the sky. The sun was a bit dazzling, so she squinted her eyes.
After a while, she sighed and leaned back on the table, "Chen, please wake up, how do you write this question?" The boy looked up at the test paper with sleepy eyes. , And soon he had an idea, "Listen, there are already two conditions for this. Let's assume that this number is an unknown number x, represented by The young man buried his head again and took a sniff. It still smelled good. A few minutes later, Fang Yan leaned against the back table again and asked, "Um, which number is that?" The young man couldn't laugh or cry...
Mission: Everyone is the light in life