Question

Scrieti toate nr naturale de forma 53x2,divizibile cu
A)2
B)3
C)4
D)9

Answer 1

A)2
53x2
x={0,1,2,3,4,5,6,7,8,9}

B)3
53x2
x={2,5,8}

C)4
53x2
x={3,5,7,9}

D)9
53x2
x={8}