Question

Rezolvati in N* inecuatia (×+5)×6-45<15​

Answer 1

Răspuns:

(x+5)x6-45<15 /+ 45

(x+5)x6 < 60 /:6

x+ 5 < 10 /-5

x< 5 => x aparține { 1 , 2 , 3, 4 }