解答
解答
求解步骤
Represent the number with
A.T.Q.:
求解
流行的例子
The population of a city increases by 4.1% per year. If this year's population is 361,000, what will next year's population be, to the nearest individual?the 差集 of two numbers is 18 and their sum is 90 find the two numbersthree times the sum of a number and 5 is equal to 68 more than a number x is 13Father's age is 7 times as old as his son. Two years ago; father was 13 times as old as his son. What are their present ages ?