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数学,before being simplified,the instruction for computing income tax in country R were to add 2% of one's annual income to the average of 100 units of country R's currency and 1% 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? A50+I/100 B50+3I/100 C50+I/40 D100+I/50 E100+3I/100 新手上路,还请各位XDJM们多多帮忙啊,这题什么意思,能帮计算推导一下吗?谢~~~~~ |
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