Решите неравенство -1.8/2.7х-13.5<0 4/2х-9>0 -1.9/6.3-3x>0 9/2x-7<0 -3/1.6x-9.6>0
-9/5/27/10*x-27<2x-9<br>-2/3x-27/2<2x-9<br>-4x-81<12x-54<br>-4x-12x<-54+81<br>X>-27/16 -19/10/63/10-3x>0-7 -19/63-3x>-7 -19-189x>-441 -189x>-441+19 189x>-422 X<422/189<br> -3/1.6x-9.6>0 -1,875x-9,6>0 -1,875x>9,6 X<-5,12