【简答题】填出等差数列中所缺的项,并求其公差: 1,( ),( ),22,( ),...;d=( )
【简答题】阅读理解。 Dear friends, I’m a middle school student. I work hard and I’m good at studying, but I feel unhappy all day, because I have some problems. I am always stressed out (有压力的), because my parents and...
【简答题】填出等差数列中所缺的项,求其公差。 1, ,5, ,公差= 。
【简答题】讨论 的连续区间,如有间断点,指出其类型.
【单选题】Because I’m good at____ as well as making judgments.
【判断题】计算机网络安全领域的3A是指认证、授权和审计。()
【简答题】求 的连续区间,如有间断点,指出其类型。
【单选题】I don’t like to negotiate a price when I shop at the market because I’m no good at ______.