해법
해법
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Represent the number with
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The sum of 2 consecutive numbers is 55:The square root of tree less the bigger number isWhich number do we take from the sum of 12 5/(12) and 4 7/8 to get their minusSuppose that 20,000 is invested at 9% interest. Find the amount of money in the account after 8 years if the interest is compounded annually.The 원둘레 of a circle is 21pi cm. What is the area, in square centimeters? Express your answer in terms ofWhat is the result when the number 86 is increased by 50%?