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- 精华
- 1
- 积分
- 655
- 经验
- 655 点
- 威望
- 45 点
- 金钱
- 374 ￥
- 魅力
- 172
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prep的数学题
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 represents the simplified formula for computing the income tax, in Country R's currency, for a person in that country whose annual income is I?
a)50+I/200 b)50+3I/100 c)50+I/40 d)100+I/50 e)100+3I/100
题目看不懂，恳请NN们赐教。。。 |
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