设快车Xm/s,慢车Ym/s
无论相向或是同向行驶,两车自相遇至脱离其相对移动距离均为168+184m
A:4(X+Y)=168+184
B:16(X-Y)=168+184
4A+B:32X=1760
X=55m/s
B-A:12X-20Y=0
Y=33m/s
设快车Xm/s,慢车Ym/s
无论相向或是同向行驶,两车自相遇至脱离其相对移动距离均为168+184m
A:4(X+Y)=168+184
B:16(X-Y)=168+184
4A+B:32X=1760
X=55m/s
B-A:12X-20Y=0
Y=33m/s