Question

determinati elementele multimilor ) A {x € N|x=10-n, n € N}

Answer 1

A={1,2,3,4,5,6,7,8,9}

Answer 2

n =1=10-1=9
n=2=10-2=8
n=3=10-3=7
n=4=10-4=6
n=5=10-5=5
n=6=10-6=4
n=7=10-7=3
n=8=10-8=2
n=9=10-9=1
n=10=10-10=0

A={0,1,2,3,4,5,6,7,8,9}