Question

suma numerelor intregi din intervalul [-3, 3)?

Answer 1

s=-3+(-2)+(-1)+0+1+2
s=-5+(-1)+0+1+2
s=-6+0+1+2
s=-6+1+2
s=-5+2
s=-3

Answer 2

[ -3, 3) = -3 -2 -1 +0 +1 +2 = -6 +3 = -3