"Master of the House" Lee Sang-yoon Lectures Math on TV

Lee Sang-yoon started teaching factorization.

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"Master of the House" had actress Son Ye-jin as the guest this week.

She held a day for lectures as she wanted to learn from everyone.

The first lecturer was Lee Sang-yoon. He said, "I wondered what I did better than anyone here and it was math. I wondered what would be useful in daily life and I decided to teach you how to calculate faster". Everyone was surprised and so was Son Ye-jin.

Lee Sang-yoon claimed rounding off was the easiest to calculating faster and mentioned 'factorization'. Son Ye-jin laughed and said, "I don't even remember that".