Răspuns :
a. x ∈ N
x +2 < 6 x < 4
x ∈ { 0 , 1 , 2, 3 }
↓ ↓ ↓ ↓
2 /6 3/6 4/6 5/6
b. echiunitare x +2 = 6 daca x =4
6/6 = 1
x +2 < 6 x < 4
x ∈ { 0 , 1 , 2, 3 }
↓ ↓ ↓ ↓
2 /6 3/6 4/6 5/6
b. echiunitare x +2 = 6 daca x =4
6/6 = 1
x + 2 / 6 < 6 x+ 2 < 6 x < 6 - 2 x < 4
x = 1, 2. 3.
; 2/ 6 ; 3 / 6 ; 4 / 6 ; 5 /6
egala cu intregul
x + 2 = 6 ; x = 6 - 2 ; x = 4
6 / 6
x = 1, 2. 3.
; 2/ 6 ; 3 / 6 ; 4 / 6 ; 5 /6
egala cu intregul
x + 2 = 6 ; x = 6 - 2 ; x = 4
6 / 6