해법
해법
솔루션 단계
Represent the number with
A.T.Q.:
해결 대상
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If the sum of a number and four is doubled, the result is one less than the number. Find the number.: x=\squareFind the area of a 원형 with a radius of 8.what sit he result when the number 50 decreased by 10%the curved surface of a circular cone can be folded out to form a semicircle with the 지름 20cm , find the volume of the cone40% of what number is 120