解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
the 平均值 speed of a jet is 690kmh the how long would it take it to travel 960kmKendall is 11 years older than her brother. In 8 years she will be twice as old as him.How old are they now?The 周长 of a circle is 5pipi m. Find its diameter, in meters.The perimeter of a rectangular room is 46ft The width is 10ft Find the lengthtranslate four times a number plus 6 is 30