Child prodigy Zhang Yiwen, who knew a thousand words at the age of 4 and went to college at the age of 10, was named and criticized by the People’s Daily
The "last from last" test paper of an elementary school student went viral. The teacher was so angry that he went to the parents, but the parents laughed out loud after reading it.
Steady and far-reaching progress, and further progress|Mianzhong experimental teachers went to Chongqing to participate in the new college entrance examination reform training
What are four-dimensional velocity and four-dimensional momentum? "Zhang Chaoyang's Physics Class" explains four-dimensional vectors and their transformations
During the decoration, 5 corners were cut in 5 places. If you are not careful, you will fall into a trap. The decoration novice can't afford to be hurt.