Ex.13, coroana repede promit

Ex13 Coroana Repede Promit class=

Răspuns :

x={1,2,3,4,5,6,7,8,9}. A
y={1,2,3,4,5,6,7,8,9} B
x={0,1,2,3,4,5,6,7,8,9} C
y={1,2,3,4,5,6,7,8,9} D