DescriptionNat road 89 BG.svg English: National road number sign. Български: Пътен знак за републикански път 89 Date 28 December 2022 Source Own work Author...
90°)-OA DM,'. as (a) with 120° in the place of 60°. 6. Show that SSq = Sg, SVg = 0, VSq = VVq = Vq, SKq = KSq = Sq, VKq = KVq, USq = ± UTq = 1 = TUq. 0...
