解答
解答
求解步骤
Represent the numbers with :
A.T.Q.:
流行的例子
I thought of a number. four times the number increased by 30 equals 70 decreased by the number. What is my number?55% of a number is 260eight times the reciprocal of a number equals two times the reciprocal of twoMarcy earned some money doing odd jobs last summer and put it in a savings account that earns 4% interest compounded monthly. After 5 years, there is 800.00 in the account. How much did Marcy earn doing odd jobs?half of a number is 10