解答
解答
求解步骤
Represent the number with
A.T.Q.:
流行的例子
A positive integer is twice another. The sum of the reciprocals of the two positive integers is frac(3,22). Find the two integers.Four times the sum of a number and 3 is 2.the 差集 between four times a number and 13 is 55the sum of twelve and a number is thirteenAn item is regularly priced at 47. It is on sale for15% off the regular price. find the sales price