Question

Determinati numerele naturale a,b,c, stiind ca:
a+b=84, b+c=64, a+c=34



Rezolvare de clasa 5, va rog.

Answer 1

[tex]a+b=84 =\ \textgreater \ a=84-b =\ \textgreater \ a=84-64+c =\ \textgreater \ a=84-64+32-a \\ 2a=84-64+32=52 =\ \textgreater \ a=52/2 =\ \textgreater \ a=26 \\ b+c=64 =\ \textgreater \ b=64-c =\ \textgreater \ b=64-6=58 \\ a+c=32 =\ \textgreater \ c=32-a =\ \textgreater \ c=32-26=6 [/tex]