Question

Ce numar impartit la 9 da catul 6 

Answer 1

$d:9=6~si~rest \\ r<9 \\ r=\{0,1,2,3,4,5,6,7,8\} \\ d=9*6+r \\ d=\{9*6+0,9*6+1,9*6+2,.......9*6+8\} \\ d=\{54,55,56,57,58,59,60,61,62\}$