Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
TheinteractionsbetweenChinaandtheUSwillsurelyhaveasignificant_______on.peaceandstabilityintheAsia.—Pacificregionandtheworldasawhole.
微分方程的特解可设为()
有甲,乙两袋奖券,获奖率分别为p和Q值。某人从两袋中各随机抽取1张奖券,则此人获奖的概率不小于3/4。
(1)已知p+q=1
(2)已知PQ=四分之一
设(I)计算行列式A;(II)当实数a为何值时,方程组有无穷多解,并求其通解