àçã äéåöøéí äéùøàìééí äéçéãéí ùàðé àåäá åîòøéê.
https://www.youtube.com/watch?v=9vweQZfJKBo
https://www.youtube.com/watch?v=WvzitKFHh-w
https://www.youtube.com/watch?v=o7zTbziFGlw
àçã äéåöøéí äéùøàìééí äéçéãéí ùàðé àåäá åîòøéê.
https://www.youtube.com/watch?v=9vweQZfJKBo
https://www.youtube.com/watch?v=WvzitKFHh-w
https://www.youtube.com/watch?v=o7zTbziFGlw
éù ëøâò 1 âåìùéí ùöåôéí áàùëåì. (0 îùúîùéí å-1 àåøçéí)