解答
解答
求解步骤
Translate the problem into an equation
Solve the equation
流行的例子
The 半径 of a circle is 5 in. Find its area to the nearest whole number.the population of a city has increased by 27% since it was last measured. if the current population is 50800 what is the previous populationthe quotient of a number and 5 is 925% of what number is 7The present age of Alex is four times the present age of his son. Five years ago, the sum of their ages was 35 years.Find their present ages.