发布网友 发布时间:2023-07-08 17:08
共5个回答
热心网友 时间:2023-10-20 10:35
只要4、5?热心网友 时间:2023-10-20 10:36
上山的时间是1/12,下山的时间是1/24热心网友 时间:2023-10-20 10:36
4.Since the distances are the same,his average speed should be (12+24)/2=18热心网友 时间:2023-10-20 10:37
4.设总路程s热心网友 时间:2023-10-20 10:37
. On the one hand, it can promote academic development, improving national overall competitive level; on the one hand, it has greatly increased the pressure on the children, the children lived like a fish out of water, that the world has a distorted cognition, lost childhood innocence and happiness. Therefore I do not advocate mass of aoshu, but rather to promote our capability. Of course, if a person addicted to aoshu, he will feel.