数学问题：x and y are numbers on the number line求解释,谢谢~~~!1）x and y are numbers on the number line比较x和y的大小2）x大于0 question: 比较the average cost per issue of a magazine subscription that costs 2x dollars for 24 issues 和 the average cost per issue of a magazine su
2019-03-29
数学问题：x and y are numbers on the number line求解释,谢谢~~~!
1）x and y are numbers on the number line
比较x和y的大小
2）x大于0
question: 比较the average cost per issue of a magazine subscription that costs 2x dollars for 24 issues 和 the average cost per issue of a magazine subscription that costs 3x dollars for 35 issues 的大小
3） the diagonal of square region s is 2.5
question: 比较the area of region s 和3.125的大小