lilki cai

This year's winter vacation homework is not the same as in previous years. We take the name of "Math Homework Supermarket" to give children a chance to choose independently. My homework is my choice. I recently received a video of Yang Yihang, a "little mathematics lecturer", and I was delighted to feel the "fan" that the child said. The kind of self-comfort, the clarity of the problem-solving ideas, the future lecturer.