asrare alaadade.

alaadade azzawji yoqssame ala 2
alaadade alfardé yodafe laho 1

idha karrarna hadéhé alaamaliya fainna annatija satakounou héya 1. wa dhalika mahma kana adade aléntilaq.
amthéla:
1,2,1.
2,1,
3,4,2,1.
15,16,8,4,2,1.
45,46,23,24,12,6,3,4,2,1. benabderrahmane.