ex 13 varogggh ,pls... am nevoie urgent...dau coroana

Ex 13 Varogggh Pls Am Nevoie Urgentdau Coroana class=

Răspuns :

9100:(2.n+600)=1877+1884
=3761
(2.n+600)=3761.9100
=34225100
2.n=34225100-600
=34224500
n=34224500:2
n=17112250