Răspunsuri

2014-04-14T12:08:32+03:00
F(0)=4-0=4
f(1)=4-1=3
f(2)=4-2=2
f(3)=4-3=1
f(4)=4-4=0
f(5)=4-5=-1
....................
f(100)=4-100=-96

S=[f(1)+f(100)]*100/2
=(4-96)*50=
-92*50=-4600