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Suma a doua nr.este 1246,iar diferenta 1254.Afla cele 2 nr.?

Răspuns :

A+b=1246
A-b=1234

1. 1246-1234=12
2. 12:2=6 (b)
3. 6+1234=1240 (a)
VERIFICARE:1240+6=1246
R:A=1240 B=6