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急智类题目,大多情节单纯,内容直白,数字简单,凭借生活经验可以直接口算答案。这类题目初看简单,一些人解答时不假思索脱口而出。但是,答得越快,往往错得越多!当别人点破迷津时,自己才恍然大悟——虽然解法同样简单,但思路却必须拐个弯儿。1.用时多少:一根长12米的木料,截成每段2米长的木段,每截一段都需5分钟,全部截完需多长时间?解:12米长木料,截成2米一段,只需截割5次。共需时间为:5×(12÷2-1)=5×5=25(分)。2.几次渡完:河里只有一条能坐5人的空船,现有10人需要过河,需往返几次才能全部过河?
Acute intellectual class topics, most of the plot simple, straightforward content, the number is simple, with life experience can be directly oral calculation answer. At first glance these kinds of questions are simple, some people answer without hesitate to blurt out. However, the faster you answer, the more often you make more mistakes! When others get around, they suddenly realize that although the solution is equally simple, they must turn their brains. 1. How much time to use: a 12-meter-long piece of wood, cut into 2-meter-long sections of wood, each section takes 5 minutes, all cut-off after how long? Solution: 12-meter-long wood, cut into 2 A piece of rice, just cut 5 times. Total time required is: 5 × (12 ÷ 2-1) = 5 × 5 = 25 (minutes). 2 several times over: There is only one in the river to take an empty boat 5 people, the existing 10 people need to cross the river, need to travel a few times in order to cross the river?