Indulge in diligence and waste it on drama, and what you do is destroyed by thinking-Han Yu
If human beings want to survive in the competition, they must struggle. -Sun Yat-sen
Perseverance, rotten wood can't be carved; Perseverance, the stone can be carved. -Xun Kuang
The ultimate goal of mathematics teaching is to enable students to form a mathematical literacy and mathematical ability. Mathematics handwritten newspaper is an