Q表示产量,成本C(Q)=100+13Q,单价p,需求量Q(p)=800/P+3-2则工厂取得利润最大时的产量为_____
8
Night ________ (fall), we hurried home.
Only when you have obtained sufficient data ________ come to a sound conclusion.
新中国初期建立社会主义国营经济的主要途径是 _________。
In some schools children who prefer to read books rather than ________ football become social outcasts (被抛弃者 ).
________ (catch) in the rain, he was wet to the skin.