Răspunsuri

2014-05-02T12:15:17+03:00
-5+(-4)+(-1)+2=-10+2=-8
Cel mai inteligent răspuns!
2014-05-02T12:17:40+03:00
 f(-2)=2*(-2)-1=-4-1=-5
f(-1)=2*(-1)-1=-2-1=-3
f(0)=2*0-1=0-1=-1
f(1)= 2*1-1=2-1=1
-5+(-3)+(-1)+1=-5-3-1+1=si faci calculul
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