解答
解答
求解步骤
Translate the problem into an equation:
求解
找到 age
流行的例子
The sum of two numbers is 125 . Find the two numbers if twice the smaller number is 5 less than the larger.Twice the 差集 of a number and 9 equals 6.A square postage stamp has a perimeter of 8 inches. How long is each side?two more than 3 times a number is 20. find the numberThe 周长 of a circle is 7pi m. What is the area, in square meters? Express your answer in terms of pipi.