Matching Pairs НеравенстваOnline version Неравенства by Lucy Malik 1 a>15 2 17⩽a⩽21 3 a≥15 4 a<9 5 245⩽a⩽250 a= {17,18,19,20,21} a = {15,16,17,18,...} a={0,1,2,3,4,5,6,7,8} a={246,247,248,249,250} a={16,17,18,...}