 
 <translate> To answer this question, we should know that: In the 1979 -- 80 season, after having tested it in the previous pre-season, the NBA adopted the three-point line despite the view of many that it was a gimmick. So, the answer is the 1979 -- 80 season. <hau> Don amsa wannan tambayar, ya kamata mu sani cewa: A kakar wasa ta 1979 zuwa 1980, bayan da aka gwada shi a kakar wasa ta baya, NBA ta amince da layin maki uku duk da ra'ayin da mutane da yawa ke da shi cewa abin wasa ne. To, amsar ita ce kakar wasa ta 1979 - 80. 