解答
解答
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流行的例子
The original price of a bottle of perfume is 40.30. How much will Nathan pay if he buys it for 90% off the original price?Find how long it will take to have a balance of 900 if 500 is invested at 7.5% annual interest compounded continuously.Emmanuel puts 1,081 into an investment yielding 1.946% annual simple interest; he left the money in for 71 years. How much interest does Emmanuel get at the end of those 71 years?A regular hexagon is inscribed in a circle whose 半径 is 10 cm. Find the area of the hexagon.A zero coupon bond with a face value of 27,000 matures in 14 years. What should the bond be sold for now if its rate of return is to be 2.965% compounded annually?