ﺔﻠﻣﺎﻛ ﻮﻳﺪﻴﻓ ﺔﻋﻮﻤﺠﻣ ﺎﻠًﻣﺎﻛ ﺎﺼًﺨﺷ 15 = ﺓﺭﻮﺸﻨﻣ ﺮﻴﻏ ﻮﻳﺪﻴﻓ ﻊﻃﺎﻘﻣ 4 + ﺮ