我们以渔夫分鱼为素材,由简到繁逐步深入地来研究一类难度较大的与倍数有关的问题。问题1甲、乙、丙、丁四位渔夫在海里打了一些鱼,他们把鱼堆放在一起,在海滩上睡着了。甲醒来把鱼平均分成4份,取走1份,其余的3份又堆放在一起。乙醒来也把鱼平均分成4份,取走1份,其余的3份也堆放在一起。丙、丁也照此办理。问:他们至少一共打了多少条鱼?分析按照题意,甲取走了全部鱼的1/4,剩下 We use fishermen to separate fish as the material, from simple to complex step by step to study a more difficult and multiple-related issues. Question 1 A, B, C, D Four fishermen hit some fish in the sea, they pile the fish together and fell asleep on the beach. A woke up the fish equally divided into 4, take 1, the remaining 3 are stacked together. B woke up the fish equally divided into 4 copies, take 1, the remaining 3 are also stacked together. C, Ding also handled accordingly. Q: How many fish do they play at least? Analysis according to the title, a took away all the fish 1/4, the rest