0.8×1×1.2×1.5×1.7×2×2.5×2 min 59 sec⚡️3 min 44 sec2 min 59 sec2 min 29 sec1 min 59 sec1 min 45 sec1 min 29 sec1 min 11 secIntroduction to Course0.8×1×1.2×1.5×1.7×2×2.5×2 min 59 sec⚡️3 min 44 sec2 min 59 sec2 min 29 sec1 min 59 sec1 min 45 sec1 min 29 sec1 min 11 secIntroduction to CourseYour user agent does not support the HTML5 Video element.
