【单选题】设f(x),g(x)∈F[x],若f(x)=0则有()。
A.
deg(f(x)g(x))>max{degf(x),degg(x)}
B.
deg(f(x)+g(x))=max{degf(x),degg(x)}
C.
deg(f(x)+g(x))>max{degf(x),degg(x)}
【判断题】Items can be listed by either giving or not giving the total number of items at the beginning of listening.
【单选题】设f(x),g(x)∈F[x],若f(x)=0则有什么成立?
B.
deg(f(x)g(x))>max{degf(x),degg(x)}
C.
deg(f(x)+g(x))>max{degf(x),degg(x)}
D.
deg(f(x)+g(x))=max{degf(x),degg(x)}
【简答题】the total number of people who have been killed or hurt ( )
【单选题】The total number of users or customers an e-commerce business can obtain is a measure of which of the following?
【判断题】The predicted number to be sold is simply the quantity of a specific food or beverage item likely to be sold given an estimate of the total number of guests expected to be served.
【简答题】混凝土拌和机按拌和原理的不同分为( )A. 自落式; B. 拌和式; C. 强制式; D. 鼓筒式
【判断题】True or False: The relative frequency is the frequency in each class divided by the total number of observations.