ôùåè îòáéøéí àú äîöìîä òì äúøâéìéí åæä ôåúø çç çáì ùìà äéä ìé ëæä ááéú äñôø.
https://www.youtube.com/watch?v=WvIoYUr1SWI
ìàééôåï
https://itunes.apple.com/us/app/phot...919087726?mt=8
ìàðãøåàéã
https://play.google.com/store/apps/d...link.photomath
ôùåè îòáéøéí àú äîöìîä òì äúøâéìéí åæä ôåúø çç çáì ùìà äéä ìé ëæä ááéú äñôø.
https://www.youtube.com/watch?v=WvIoYUr1SWI
ìàééôåï
https://itunes.apple.com/us/app/phot...919087726?mt=8
ìàðãøåàéã
https://play.google.com/store/apps/d...link.photomath
éù ëøâò 1 âåìùéí ùöåôéí áàùëåì. (0 îùúîùéí å-1 àåøçéí)