哥伦布轻轻一敲，光滑的鸡蛋就立在了桌子上；孙膑调整了几匹马的出场顺序，帮助田忌轻松地赢得赛马；司马光沉着冷静地砸破大水缸，救出了掉进缸里的小伙伴；阿基米得洗澡时受到启发，轻松地破解了金冠之谜；爱迪生用镜子汇聚蜡烛光，让妈妈的手术能顺利完成......面对形形色色的难题和困境，开动脑筋，运用智慧，往往就能找出答案，想出对策。(Columbus made a smooth egg erect on the table by tapping it gently; Sun Bin helped Tian Ji easily win the horse racing by adjusting the competition order of several horses; Sima Guang smashed the big water tank calmly and rescued his little friend who had fallen into the tank; Archimedes was enlightened when taking a bath and easily solved the puzzle of gold crown; Edison converged candle light with a mirror and enabled his mother's operation to go smoothly... In face of various difficulties and dilemmas, use your brain and wisdom, and you will probably find the answer and solutions.)