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주어진 원 둘레
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The radius of a circle is 16.7 cm. Find the 원둘레 to the nearest tenth.21 is 75% of what numberThe product of a number and 7 less than the number is 858 . Find the numbers. Assume both numbers are positive. The numbers are andthe sum of three consecutive even integers is-258. find the three integersThe 차이 of twice a number and 4 is greater than-25