3.5km=3500m
(130+220)x=3500
x=3500÷350
x=10
答：10分钟后相遇.
小丽骑摩托车每分钟行220米,小明骑自行车每分钟行130米,两家相聚3.5千米,多长时间相遇
小丽骑摩托车每分钟行220米,小明骑自行车每分钟行130米,两家相聚3.5千米,多长时间相遇
数学人气：676 ℃时间：2019-08-19 00:41:26
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