解答
解答
求解步骤
Given:
给定 的圆半径:
给定 的圆面积:
流行的例子
thrice the number x less than 5Two years ago, a father was four times older than his son. In twelve years’ time, he will be twice as old as his son. Find the ages of both the father and his son.two thirds of a number increased by seventranslate the quotient of forty eight and a numberthe sum of the squares of three consecutive odd numbers is 531. What are the numbers.