Qiao Nian tapped the paper with the tip of her pen, leaving behind points of black on the spotless white paper.
She frowned and fell into deep thought.
However, she still didn't come up with anything. She could only put down her pen temporarily and think of another way.
It didn't seem like a long time for her to calculate the reasoning on the draft paper, but it had actually been more than two hours since she woke up.
Because she was completely immersed in the sea of numbers and advanced physics, she did not notice the passage of time outside.
…
Downstairs.
Qin Si woke up at nine and finished his breakfast.
He looked upstairs and walked straight to his two good brothers. "Why isn't Sister Qiao up yet? She slept for too long. Won't she feel dizzy after waking up?"
