Mandarin
Math
100
Define 提醒
Remind
100
Define trajectory.
The path that a moving object follows through space as a function of time.
200
Define 好奇心
Curiosity
200
What is the quadratic formula?
x equals negative b, plus minus square root, b squared minus four ac, all over two a.
300
Write the opposite of 笑
300
Simplify 1-(cos^2)x/cosx
tanx
400
What does the following idiom mean? - 多元文化
Multicultural
500
What is the 端午节?
Dragon Boat Festival