Răspunsuri

2014-06-05T21:27:54+03:00
1,5x+3<7.5    x∈Z
1,5x<-3+7,5
1,5x<4,5
x<4,5/1,5
x<3
S={x∈Z|x<3}={2,1,0,-1,-2...}
1 5 1