[问答题]
You travel from poinc9s z25pj- r:ov3 uwmytm dd43t8 p6t4wmkybd ( A to point B in a car moving at a constant speed of Then you travel the same distance fromm t6kdm8db(ty 4pw 4d3 point B to another point C, moving at a constant speed of 90km/h . Is your average speed for the entire trip from A to C 80km/h ? Explain why or why not.
