Question

4xy divizibil cu 5 va rog

Answer 1

x= 0,1,2,3,4,5,6,7,8,9,
y=0,5
4xy=400,405,410,415,420,425,430,435,440,445,450,455,460,465,470,475,480,485,490,495.

Answer 2

x∈{0,1,2,3,4,5,6,7,8,9,}
y∈{0,5}