论文部分内容阅读
“你们每人写一个三位数吧!”魔术师说,“但是不要0参与。”同学们每人都暗暗地写了一个数。浩浩写的是851。便问:“接下去怎么办?”魔术师说:“用三位数,将数字颠来倒去,不许重复出现,最多能组成多少数?”
“Write a three-digit number for each of you!” Said the magician. “But do not get involved.” “Each of the classmates secretly wrote a number. Hao Hao wrote is 851. He asked: ”What to do next?“ ”The magician said:" With a three-digit number, the numbers are reversed and allowed to repeat.