解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
2 is more than thrice the same numberThe diameter of a circle is 5 meters. What is the 周长?A pair of dice is rolled. Find the probability of rolling a sum not less than 11The radius of a circle is 20in Find its 周长 in terms of piJhoy is 10 years older than EJ. Five years ago, EJ is 1/3 as old as Jhoy. What are their present ages?