初二比例线段及性质的题若 X/2 = Y/3 = Z/5 ,且XYZ不等于0,则X+Y+Z/3X-Y =

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 09:42:55
初二比例线段及性质的题若 X/2 = Y/3 = Z/5 ,且XYZ不等于0,则X+Y+Z/3X-Y =

初二比例线段及性质的题若 X/2 = Y/3 = Z/5 ,且XYZ不等于0,则X+Y+Z/3X-Y =
初二比例线段及性质的题
若 X/2 = Y/3 = Z/5 ,且XYZ不等于0,则X+Y+Z/3X-Y =

初二比例线段及性质的题若 X/2 = Y/3 = Z/5 ,且XYZ不等于0,则X+Y+Z/3X-Y =
设K法 x为2K y为3K z为5K 带进去就行了