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漫画:一道数学题引发的血案
2022-07-05 16:51:00 【小灰】
————— 第二天 —————
题目如下:
小灰向两位朋友各自借了50元。
用借来的钱,小灰花费97元买了一件格子衫。
这时候还剩3元钱,小灰还给两个小伙伴各1元,自己剩下1元。
那么问题来了:小灰此时欠两位小伙伴各49元,再加上自己剩下的1元,49+49+1 = 99元。剩下的1元去哪了?
————————————
让我们先来回顾一下题目的前三步:
小灰向两位朋友各自借了50元。
用借来的钱,小灰花费97元买了一件格子衫。
这时候还剩3元钱,小灰还给两个小伙伴各1元,自己剩下1元。
此时,小灰欠了两位小伙伴各49元,所以小灰的负债是49+49=98元。
那么,小灰的总资产是多少钱呢?
-98元 + 1元 = -97元。
题目中设了一个陷阱,用正数的98元+1元等于99元,这样没有任何意义。因为98元是负债,1元是正向资产,这两者是无法直接相加的!
既然小灰的总资产是-97元,那么这97元到底去哪了呢?很简单,这97元换来了一件价值97元的格子衫!
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