Question

Rezolvati in multimea numerelor naturale :
A)2,5+x≤7
b)x+3·2,1>7
c)8-3,7+x≤11

Answer 1

A)x≤4,5
x∈{1,2,3,4}
B)x>0,7
x∈{1,2,3,4,5,6,7,8,.........}
C)4,3+x≤11
x≤6,7
x∈{6,5,4,3,2,1}