A火车长180米,每秒行18米;B火车每秒行15米。两火车同方向行驶,A火车从追上B火车到超过它共用了100秒钟,求B火车长多少米?
A火车长180米,每秒行18米;B火车每秒行15米。两火车同方向行驶,A火车从追上B火车到超过它共用了100秒钟,求B火车长多少米?
发布时间:2024-07-30 09:35:59
A火车长180米,每秒行18米;B火车每秒行15米。两火车同方向行驶,A火车从追上B火车到超过它共用了100秒钟,求B火车长多少米?