Răspuns :
a+b=385 carti
a+(a+69)=385 carti
a=(385-69):2=316:2
a=158
b=158+69=227
158+227=385
:
A+b=385. 385:2=142. 142+69=211(in Al 2 dulap). 385-211=174(in primul dulap)
a+b=385 carti
a+(a+69)=385 carti
a=(385-69):2=316:2
a=158
b=158+69=227
158+227=385
:
A+b=385. 385:2=142. 142+69=211(in Al 2 dulap). 385-211=174(in primul dulap)