해법
해법
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Represent the number with
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a number squared is 25The sum of three consecutive numbers is 3030. Find the numbers.If 800 is invested at an interest rate of 3.75% per year, compounded quarterly, find the value of the investment after 1 yearThe product of some negative number and 3 less than twice that number is 527. Find the number.A landing pad for a helicopter is in the shape of a 원형 with a radius of 7 meters. What is the area of the landing pad in square meters?