-7;-6;-5;-4;-3;-2;-1;0;1;2;3;4;5;6;7;8;9
Tong cac so nguyen x la :
(-7)+(-6)+(-5)+(-4)+(-3)+(-2)+(-1)+0+1+2+3+4+5+6+7+8+9=17
Vay tong tat ca cac so nguyen x la :17
**** nhe
tinh tong tat ca cac so nguyen x thoa man -10<x<11
a,Tim cac so nguyen a,b sao cho a.b=-3
b,tinh tong cac so nguyen x biet: -6<x+2<8
c,tim tat ca cac U(-15)
Tinh tong tat ca cac so nguyen x ma -20<x<0
tinh tong tat ca cac so nguyen x ma
-16<x<14
1:tinh tong cua tat ca cac so nguyen x thoa man
|x|<6
Tinh tong tat ca cac so nguyen co gia tri tuyet doi nho hon 10
tinh tong tat ca cac so nguyen thoa man :
a) -20< x< 20
b) -15< x< 14
c) 12< x< 10
d) |x|< 5
tong tat ca cac so nguyen x thoa man:(x+6)(x-9)=0
tong tat ca cac so nguyen x thoa man -2016<=x<=2016
