the mean of 42,35,x,y,32 and 50 isthe mean of 42,35,x,y,32 and 50 is 38.If the first three items have their sign reversed,the mean becomes 3.Find the value of x.
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/18 09:48:06
xPJ@KZBP}&
iP1F<QIME&M]0o0N} >lIJɈ/Wm>e