Răspuns :
a=27+b;
[a+b]=46[a-b]+25
⇒27+2b=46·27+25
27+2b=1267⇒2b=1240⇒b=620;
⇒a=647;
[a+b]=46[a-b]+25
⇒27+2b=46·27+25
27+2b=1267⇒2b=1240⇒b=620;
⇒a=647;
(a+27+a) :27 = 46 si rest 25
2a+27=1242+25
2a=1240
a=620
620+27=647
2a+27=1242+25
2a=1240
a=620
620+27=647