一,小红和小明同时从自已家出发,相向而行,5分钟后两人相遇.小红每分钟走62.7m,小明每分钟走64.5m.小红家离小明家有多远?
（62.7+64.5）×5
=127.2×5
=636米
二,相遇后,小红和小明按原方向继续走了2分钟,这时他俩相距多少米?
（62.7+64.5）×2
=127.2×2
=254.4米