【单选题】在对社会经济情况调查研究中,影响医药市场供求变化的因素不包括()
【单选题】—How many chapters does the book have? —It ____ three chapters. A.consists with B.consists of
A.
24. —How many chapters does the book have? —It ____ three chapters. A.consists with
【单选题】Peter _________in the afternoon on Sundays.A. does his homework B. does some readin
A.
24. Peter _________in the afternoon on Sundays. A. does his homework
【简答题】判断下列命题是否正确 (1)如果被积函数在区间[a,b]上连续,则它的黎曼(Riemann)积分一定存在. (2)数值积分公式总是稳定的. (3)代数精确度是衡量算法稳定性的一个重要指标. (4)n+1个点的插值型求积公式的代数精确度至少是n次,最多可达2n+1次. (5)高斯求积公式只能计算区间[-1,1]上的积分. (6)求积公式的阶数与所依据的插值多项式的次数一样. (7)梯形公式与两点高斯...
【单选题】How does the speaker feel for this party?
【单选题】有3个不同节点的高斯求积公式的代数精度是