Question

suma a daua nr.este 345,iar diferenta lor este 255.Afla cele 2daua nr.

Answer 1

a+b=345+
a-b=255
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2a=600
a=300
b=45

Answer 2

notam primul nr prin x
al doilea nr prin x+255
x+x+255=345
2x=90
x=45, 1nr=45
2 nr=45+255=300