해법
해법
솔루션 단계
Represent the numbers with :
A.T.Q.:
해결 :
인기 있는 예
Bill is four times as old as Lily. Two years from now, Bill will be nine times as old as Lily was two years ago. Find their present ages.The radius of a circle is 19 in. Find its 원둘레 in terms of pipi.The radius of a 원형 is 5 ft. Find its area in terms of pipi.The 지역 of the square pool on Mr. Carr's vacation was 225 ft2. How long was one side of the pool?Two times the sum of a number and 3 equals 4