Răspuns :
Prima luna 2345 c
a doua luna 2345+235=2580 de costume
in a treia luna 2345-164=2181
Deci in 3 luni
2345+2580+2181=7106 costume
Prima luna 2345 c
a doua luna 2345+235=2580 de costume
in a treia luna 2345-164=2181
Deci in 3 luni
2345+2580+2181=7106 costume