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1-1-1-1-1


plsss. ...dau coroanaaa! !!!​


Răspuns :

1-1=0 0-1= -1 -1-1=-2 -2-1=-3

1-1-1-1-1
1-1= 0
0-1-1-1-1
0-1= -1
-1-1-1-1
-1-1= -2
-2-1-1
-2-1= -3
-3-1= -4
Răspuns: -4