реши уравнения
b+5007=305*60 a*10=2384+1636 c*100=12897+5403 y-129*4=537*10

б+ 5007 = 305×60 ; б=-5007+18300; б = 13293а ×10 = 2384 + 1636; 10a=4020; a=4020:10; a=402с × 100 = 12897 + 5403; 100c=18300; c=18300:100; c=183у - 129 × 4 = 537 × 10;  y-516=5370; y=5370+516; y=5886