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-37+{-15-{+76-(-86+95)+(-53)}+(+63)=

Răspuns :

-37+{-15-{+76+9+(-53)}+(+63)=
=-37+{-15-{85+(-53)}+(+63)=
=-37+{-15-32}+(+63)=
=-37+(-47)+(+63)=
=-84+(+63)=
=-84-63=
=147