-9 < hoac = x <8
Tìm tổng các số nguyên thỏa mãn yêu cầu
Lam tung buoc nha ruj mink tick nha may ban
Những câu hỏi liên quan
Tim cac so nguyen x, biet:
1. -10<x<-5
2. -4<hoac= x <hoac=3
3. n+9<x<hoac=n+12
4. n+15<x<n+15
5. x<-9 va x<9
6. |x|=|10|
7. |x|=20 va x>0
8. |x|=-100
9. |-5|+|-9|+x=14+|12|
10. 8+x=|-8|+20
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
tìm x thuoc Z
9< hoac = /x-3/<11
(X+5)^7=(X-5)^9
VOI X LON HON HOAC BANG 5
9/2.(1/5-1/2)<hoac bang< hoac bang3/11.(1/5+2/3-1/2)
1) Cho phuong trinh x m / x 1 x-2 / x = 2. De phuong trinh vo nghiem thi: A. m = 1 hoac m = 3 B. m = -1 hoac m = -3 C. m =2 hoac m=-2 D. m = -1/3 hoac m = 1/2
Xem chi tiết
1) Cho phuong trinh x+m / x+1 + x-2 / x = 2. De phuong trinh vo nghiem thi: A. m = 1 hoac m = 3 B. m = -1 hoac m = -3 C. m =2 hoac m=-2 D. m = -1/3 hoac m = 1/2
hay viet cac tap hop sau bang cach khac
A={ 9;11;13;...;99]
B={ 12 ; 24 ; 36 ;48}
M= { THANG 4 ; THANG 6 ;THANG 9 ; THANG 11}
N = { X THUOC N / X LON HON HOAC BANG 3 , LON HON HOAC BANG 10}
Q = { X THUOC N / X LON HON 0 ,BE HON 10}
1. tính tổng các số nguyên x biết :
1/-20<x<21
2/-18< hoac bang x < hoac bang 17
3/-27<x< hoac bang 27
4/(x)< hoac bang 3
5/(-x)<5
1) -82-x-(-15)-29-(-6)+x2 (x-3)-9.(2x-7)-16:2 3) (3+2).(x-3)04) (x+3)^2:3-1-105) (x-2).(x^2+1)06) (x-7)^2-1697) x+2 la U78) 2x la Bx-19) (x+7).(4-x)010) (x^2+1).(4x-2).(x-1) hoac 011) (2-x).x^2 hoac 012) /x/+x013) /x/-x014) 3/x/ hoac 5 (vs x thuoc Z)
Đọc tiếp
1) -82-x-(-15)=-29-(-6)+x
2 (x-3)-9.(2x-7)=-16:2
3) (3+2).(x-3)=0
4) (x+3)^2:3-1=-10
5) (x-2).(x^2+1)=0
6) (x-7)^2-16=9
7) x+2 la U7
8) 2x la Bx-1
9) (x+7).(4-x)>0
10) (x^2+1).(4x-2).(x-1) > hoac = 0
11) (2-x).x^2< hoac = 0
12) /x/+x=0
13) /x/-x=0
14) 3</x/ < hoac =5 (vs x thuoc Z)