D36={1,2,3,4,6,9,12,18,36}
15≤x+5≤35
10≤x≤30
I={12,18}
m5={0,5,10,15,20,......}
20≤x≤50
J={20,25,30,35,40,45,50}
D100=2^2 x 5^2 ={1,2,4,5,10,20,25,50,100}
10<x<100
K={20,25,50}
m15={0,15,30,45,60,..........}
30≤x≤50
L={30,45}
m11={0,11,22,33,44,55,........}
25<x<80
M={33,44,55,66,77}
m9={0,9,18,27,36,45,.......}
x≤50
N={0,9,18,27,36,45}
m7={0,7,14,21,28,35,42,.......}
15≤x≤70
O={21,28,35,42,49,56,63,70}
fara sa intru in detalii eu zic ca zero e multiplu oricarui numar natural si e cel mai mic.
