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-0,75x > -1,5 /:(-0,75)
x<2
A=(-∞, 2)
-3x≤12 /:(-3)
x≥-4
B=<-4,+∞)
AnB=<-4, 2)
C\A=<2, 6>
Cztery dzielniki {2,3,4,6}