【蓝猫出题】学校有科技书和故事书共480本,科技书的本数是故事书的3倍,两种书各有多少本?【伙伴出手】蓝猫介绍说:“这道题中有两个未知量,知道它们的和以及它们的倍数关系,求这两个数各是多少的问题,叫作和倍问题。”咖喱很快就发现了解决的办法:“根据‘科技书的本数是故事书的3倍’,可以将故事书的本数看作1份,这样科技书的本数就有3份,那么两种 [Blue cat title] The school has a total of 480 science and technology books and storybooks, the number of science and technology books is 3 times the story book, how many books each? [Partner shot] Blue Cat said: ”This question There are two unknowns, know their sum and multiples of them, the number of each of these two numbers is called, and times the problem. “” Curry soon found a solution: "According to the ’ The number of science and technology books is three times the story book ’, you can book the number of storybook as a copy, so that the number of science and technology books have three copies, then two