Question

5. Găsiți o soluţie a inecuației:
a) x > 18;
d) 1< x < 2;
b) x<-27;
e) -1,5 < x <-1;
c) 9<x<10;​

Answer 1

Răspuns:

x>18

S={17,16,15,14,.....-1,-2,-3....}

1<x<2

S={1,1;1,2;1,3;1,4;1,5....1,9}

x<-27

S={-26,-25,-24...-2,-1}

9<x<10

S={9,1;9,2;9,3;9,4;.....9,9}