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prep数学一道看不懂的题求解。。。
8.10一战,数学做prep基本不错,verbal差,努力中。。数学prep里就这道题,看都看不懂。。。求解释。。。
Before being simplified, the instructions for computingincome tax in Country R were to add 2 percent of one's annual income to theaverage (arithmetic mean) of 100 units of Country R's currency and 1 percent ofone's annual income. Which of thefollowing represents the simplified formula for computing the income tax, inCountry R's currency, for a person in that country whose annual income is I ? |
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