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(+25)+(-41)+(+17)+(-33)+(-48)+(+54)+(-14)+(+11)+(+22)


Răspuns :

(+25)+(-41)+(+17)+(-33)+(-48)+(+54)+(-14)+(+11)+(+22)=25-41+17-33-48+54-14+11+22=129-41-33-48-18=129-136=-7

Spor!

=25-41+17-33-48+54-14+11+22

= -16+17-33-48+54-14+11+22

= 1-81+40+33

= -80+40+33

= -40+33

= -7