Question

ajutor ex 5 si 6.....​

Answer 1

Răspuns:

5./x+1/<1.3

-3/10<x+1<3/10

-3/10<10x/10+10/10<3/10 /-10/10

-13/10<10x/10<-7/10

-13<10x<-7 /:10

-1.3<x<-0.7

x€Z

rezulta ca A={-1;0} a)

6. de la -3 pana la 6 sunt 9°C c)