解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
the sum of three numbers is 69. the third is 2 times the second. the first number is 9 more than the second. what are the numbersTwice the 差集 of a number and 7 is at most 16Two more than the product of a number and 8 is equal to 669% of a number is 69A square has an 面积 of 25cm^2 What is the length of each side?