calculați suma multipliilor de 3 cifre ai nr. 89​

Răspuns :

Răspuns:

M₈₉= { 178,267,356,445,534,623,712,801,890,979}

2·89=178

3·89=267

.

.

10·89=890

11·89=979

S=178+267+356+445+534+623+712+801+890+979

S=5785