Question

Heii! Sunt noua aici. Am si eu o problema, cine ma ajuta? ^^

Scrieti multimea, enumerand elementele:

a) A = {x€ N / x≤3}
b) B = {x€ N / 2<x≤7}
c) C = {x€ N / x+1≤4}
d) D = {x€ N / 3≤x-2≤8}
e) E = {x€ N / 4≤x+2≤10}

Answer 1

∈ nu €

a) A = {1, 2, 3}
b) C = {1, 2, 3} ⇒ B = {2, 4, 6}
d) D = {5, 6, 7, 8, 9, 10}
e) E = {2, 3, 4, 5, 6, 7, 8}