And it includes exercises that show you not just how to solve these puzzles, but how to extract the principles that will let you solve mathematical puzzles or problems in science, other areas.
它还有习题，不仅告诉你 怎样解决这些益智游戏， 而且也告诉你怎样从中提取出原理，从而让你解决 数学问题或在科学或其他领域的问题。