Question

determinati toate numerele care impartite la 3 dau catul10

Answer 1

30:3=10
31:3=10 rest 1
32:3=10 rest 2

Answer 2

stim ca restul<imp si d=c*i+r 
r<3 => r∈{0,1,2}
=> d1=10*3+0=30 => d2=31 => d3=32