x+x+x+...+x+1+2+3+...+2003=0
2003x+\(\frac{2003.2004}{2}\)=0
2003x =\(\frac{2003.2004}{2}\)
x =\(\frac{2003.1002.2}{2003.2}\)
x = 2
Ma 3+4+5+6+...+2005>0
Nen khong co so ton tai
Tick minh nha Dinh Ngoc Thien Y
(x + 1) + (x + 2) +...+ (x + 2003) = 0
(1 +2+....+2003) + (x+x+..X)=0
2003x + 2007006 =0
2003x =0+2007006
x =2007006:2003
x =1002
tick mình
(x+1)+(x+2)+.........+(x+2003)=0
suy ra: x+1+x+2+............+x+2003=0
suy ra:(x.2003)+(1+2+....+2003)=0
suy ra (x.2003)+2007006 = 0
x.2003 = 0 - 2007006
x.2003= -2007006
x=-2007006 : 2003
x=-1002