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国防部智力测验题库
一个糖果有一个糖果纸
Each
candy is wrapt in one piece of wrapper
一个糖果1元
Each
candy sells for a dollar
现在商店在作促销
Now
the store
3个糖果纸可以换1个糖果
3 wrappers can exchange to 1 candy
请问
Question:
15元最多可以吃几个糖果?
if you have $15, at most how many candies can you get?
The
answer is 22. How?
解答:
use $15 to buy 15 candies,
花了15元→买了15个糖.
Use the wrappers to exchange to 5 candies
有
15个包装纸→换了5个糖
use 3
of the 5 new wrappers to get another candy
有3个包装纸→换了1个糖.
Now
use the remaining 2 plus the last wrapper to
get
剩下2张,加上最后 1张→ 又换了1个糖
总共:15+5+1+1=22.
total: 15+5+1+1=22
你答对了吗?
Did
you get it? If you did, you are a smart
大多数人都是答21喔,如果有想到最后一步的是聪明人!

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