PREVIEW
... ay on the bed with tired faces.
When they were in the lecture hall and saw the mathematical modeling competition questions, they were dumbfounded.
If this were an individual competition, Song Yi and Zheng Jinbao would definitely have handed in blank papers.
It was too difficult!
Hence, it would be an easy choice for them. They would just choose not to do it.
However, the mathematical modeling competition had them compete in groups of three.
Their t ...
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