ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
I was a mathematics major in college 60 some years ago, so I almost understand what you are saying! Very interesting stuff!
I was a mathematics major in college 60 some years ago, so I almost understand what you are saying! Very interesting stuff!