Register your name and address on the Web site in order to ____a purchase online.
A、makeA
暂无解析
Idon’tthinkyou'llchangehismind；oncehe’sdecidedonsosomethinghetendsto_____it.
过(0,1)点作曲线L:y=lnx的切线,切点为A,又L与x轴交于B点,区域D由L与直线AB围成,求区域D的面积及D绕x轴旋转一周所得旋转体的体积.
________(fail)severaltimes,theyneedsomeencouragement.
TheopportunitytoexploreandplayandtheencouragementtodosoCan________theperformanceofmanychildren．
设幂级数的收敛区间为（-2，6），的收敛区间为（）
