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