ttp://en.wikipedia.org/wiki/Martin_Gardener#Mathematical_Games
Ironically, Gardner had problems learning calculus and never took a mathematics course after high school.
讽刺地是,加德纳对学微积分倍感棘手,高中后也没上过数学课程。
Ironically, Gardner had problems learning calculus and never took a mathematics course after high school.
讽刺地是,加德纳对学微积分倍感棘手,高中后也没上过数学课程。