[Machine] Abdullah ibn Mas'ud used to make nine takbirs for both Eid al-Adha and Eid al-Fitr, starting by making four takbirs, then reciting Quran, then making one takbir and performing the bowing position (Ruk'u), then standing back up for the second unit of prayer and starting by reciting Quran, then making four takbirs and performing the bowing position with one of them.
«كَانَ عَبْدُ اللهِ بْنُ مَسْعُودٍ يُكَبِّرُ فِي الْأَضْحَى وَالْفِطْرِ تِسْعًا تِسْعًا يَبْدَأُ فَيُكَبِّرُ أَرْبَعًا ثُمَّ يَقْرَأُ ثُمَّ يُكَبِّرُ وَاحِدَةً فَيَرْكَعُ بِهَا ثُمَّ يَقُومُ فِي الرَّكْعَةِ الْآخِرَةِ فَيَبْدَأُ فَيَقْرَأُ ثُمَّ يُكَبِّرُ أَرْبَعًا يَرْكَعُ بِإِحْدَاهُنَّ»