[填空题]
You know your mass is 65 kg, but wh)/*5h t jdw/cd+l*. gdzvdb z+pys6tu 8gsu ,esod,.gkuo3i )en you stand on a bathroom scale in an elevator, it says your mass is 82 kg. What is the acceleration of the elevator, and in which di o),.se3iugds, goku8rection?
