王军的邮票张数是李明的3倍,如果王军拿60张邮票送给李明,那么两人的邮票张数就-样多,王军有多少张邮票?
王军的邮票张数是李明的3倍,如果王军拿60张邮票送给李明,那么两人的邮票张数就-样多,王军有多少张邮票?
数学人气：590 ℃时间：2019-11-04 08:15:01
优质解答
设李明原有X张邮票,则王军的邮票数就是3X张,列方程3X-60=X+60 2X=120 X=60 60·3=180 答：王军和李明元各有180张、60张.
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