해법
해법
솔루션 단계
Represent the numbers with :
A.T.Q.:
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The sum of twice a number and 19 is-23Find the 지역 of the triangle with a = 19, b = 14, c = 19. Round to the nearest tenth확장 the sum of two consecutive numbers is 25The 지름 of a circle is 20 m. Find its area in terms of pipi.Twice the sum of a number and four is twenty less than four times the number. Find the number