mental phenomenon表示心理现象可以吗 The conservation ,apparently can be associated with a variety of common mental phenomenon A large quantity of folks pay excessive attention to others’ views,ignoring what they are actually keen on 有问题
2021年数二第20题第二问 我不明白 求一阶导数等于0 得出的那个x等于负一 为啥要舍掉
In effect,it ’s extremely crucial and valuable to know and preserve our goals and favorite habits A case in point is me I have been exceedingly fond of swimming that brings me confidence and arouse my keen on life ,even my friends consider it as a b
请问这个第二题,为什么要设个E,这个E跟P和Q有什么联系吗,E不是随便设的吗,完全没看懂他在证什么