-10 \(\le x<10\)
x thuộc {-10 ; -9 ;......... ; 9}
Tổng:
(-9 + 9) + ....... + (-1 + 1) + 0 + (-10) = -10
-10 \(\le x<10\)
x thuộc {-10 ; -9 ;......... ; 9}
Tổng:
(-9 + 9) + ....... + (-1 + 1) + 0 + (-10) = -10
a)
tinh (-10)+12+(-14)+16+(-18)+20+(-24)+26+(-2015)+2017
b) tinh
455+(-311)+3789+(-144)
c) tim tong cac so nguyen x biet
a) -4 <x be hon hoac bang 4
b) -7 < hoac bang x < hoac bang 8
c) -9 < x < hoac bang 5
a, tim cac so nguyen n biet -3 nho hon hoac bang n va nho hon 5.
b, tinh tong cac so nguyen tim duoc o cau a.
Tim so nguyen x, biet:
( x -5) .(x -10) lon hon hoac bang 0
Ting tong cac so nguyen x biet :
a ) -18 be hon hoac bang x be hon hoac bang 17
b) Gia tri tuyet doi cua x be hon hoac bang 3.
Giup Minh Voi !
Giup mk nua nhe
Tim tong cac so nguyen x thoa man : - 20_< X < 15
Cai dau _< la nho hon hoac bang day
tong cac so nguyen x thoa man -102< hoac bang x <100
Tong cac so nguyen x voi -6<x<hoac bang 5 la
Tim 3 so nguyen co tong bang -4, biet rang so thu nhat nhan 2, so thu hai cong voi 3, so thu 3 tru di 4 thi duoc cac ket qua bang nhau. Tim ba so do?
AI TRA LOI DUNG SE DUOC TICK 10 CAI
Tinh tong cac so nguyen x,biet
a, -10<x<10
b, -10<x<=10