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标题: 求数学jj题 [打印本页]

作者: coldlee    时间: 2011-6-21 15:09     标题: 求数学jj题

Before being simplified, the instructions for computing income tax in Country R were to add 2 percent of one’s annual income to the average (arithmetic mean) of 100 units of Country R’s currency and 1 percent of one’s annual income. Which of the following represent the simplified formula for computing the income tax, in Country R’s currency, for a person in that country whose annual income is I?
作者: s    时间: 2011-6-21 15:10

亲,有答案吗
作者: 图拉    时间: 2011-6-21 15:16

jj题看着真是别扭
作者: coldlee    时间: 2011-6-21 15:16

回复 3# 图拉


    所以才请大家帮忙呀呼呼
作者: coldlee    时间: 2011-6-21 15:17

回复 2# s


    50 +I/40
作者: caicainiao    时间: 2011-6-21 15:18

回复 1# coldlee


    就是2%I 加上(100块钱跟1%I的平均数)
作者: caicainiao    时间: 2011-6-21 15:18

化简就得到答案了
作者: coldlee    时间: 2011-6-21 15:28

回复 6# caicainiao


    为什么,题目什么意思
作者: caicainiao    时间: 2011-6-21 15:30

回复 8# coldlee


    哪句没懂呢?
作者: coldlee    时间: 2011-6-21 15:31

回复 9# caicainiao


    to add 2 percent of one’s annual income to the average (arithmetic mean) of 100 units of Country R’s currency and 1 percent of one’s annual income.
作者: caicainiao    时间: 2011-6-21 15:33

回复 10# coldlee


给你理个主干吧 income tax= addA to the average of B and C
你吧units of Country R’s currency 理解成一个货币符号就行了
作者: caicainiao    时间: 2011-6-21 15:34

懂了没?
作者: coldlee    时间: 2011-6-21 15:35

回复 12# caicainiao


    。。。懂了




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