Efectuar s 6 66 666 6666 6666 n cifras a n 1 10 9n 9 b n 1 10 9n 10 27
N 10 9n 3
10n simplify solve 9n 2a divide 2n Simplify n-10+9n-3
10n simplify solve 9n 2a divide 2n Simplify n-10+9n-3
Efectuar s 6 66 666 6666 6666 n cifras a n 1 10 9n 9 b n 1 10 9n 10 27