(5/7)²×1/15= (1/2)²×4/5= (2целых 1/3)²×27/98 - вопрос №74313875711512452132798 от arpinan 18.08.2020 13:40

Question

Математика: (5/7)²×1/15= (1/2)²×4/5= (2целых 1/3)²×27/98 ♥ заранее

arpinan · Answer

(5/7)^2 * 1/15 = 25/49 * 1/15 = 25/735 = 5/147(1/2)^2 * 4/5 = 1/4 * 4/5 = 4/20 = 1/5 = 0,2(2 1/3)^2 * 27/98 = (7/3)^2 * 27/98 = 49/9 * 27/98 = 1323/882 = 147/98 = 1 49/98 = 1,5...