应用数学、线性代数、集合代数、微积分、偏微分、几何、数理统计、描述统计等。The announcement of winners is manufactured in the very first 7 days of each month. Here is the listing of winners in the competitions held in earlier months天才代写下单会先在网站联系工程师，把需求和素材发给专业… Read More