美国大学生数学建模竞赛答案

ThestudyofmathematicsasasubjectinitsownrightmayhavestartedwithPythagoras,butpeoplehavebeencountingasabasicnecessityofeverydaylifeforthousandsofyears.Itfollowsthatmathematicswasinventedtohelpusunderstandandmanagetheworldaroundus.