Verified Certificate

Supported by the following organizations

This is to certify that Da Som Lee successfully completed and received a passing grade in 60240013x: Combinatorial Mathematics a course of study offered by TsinghuaX, an online learning initiative of Tsinghua University.

Noted by

Yuchun Ma

Yuchun Ma

Associate Professor, Department of Computer Science and Technology Tsinghua University

Nie Fenghua

Nie Fenghua

Director, Online Education Office Tsinghua University

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