It's good to be able to calm down and think. Who hasn't spoken yet? All right, please!

Be good at discovering the beauty or characteristics of mathematics. . . ), willing to share, (sharing the happiness of math learning), how nice!

It is good to explore new knowledge from different angles and aspects. Let's study the mystery of this new friend together!

4. What do * * * have in common? Clever class six or seven students, observe carefully first, and then share your hair with your deskmate!

By the way, don't be busy raising your hand before you think seriously. I believe you will make more wonderful discoveries.