Các câu hỏi tương tự
tim x,y,z thuoc N sao cho 1/x+1/y+1/z=1/2
tim x, y, z thuoc Z sao cho /x-y/+/y-z/+/x-z/=2019
tim x, y, z thuoc Z sao cho /x-y/+/y-z/+/z-x/=2019
1. tim cac cap so nguyen duong (x, y) sao cho:
2 x3 + xy = 11
2. tim cac cap so nguyen duong (x, y, z)sao cho:
x + y + z = x*y*z
3. tim x thuoc z, biet;
|x| = -2003
|x| = |-2003|
minh dang can gap lam. chieu mai phai nop rui
Cho A thuoc {0.1.2.3.4.5.6.7.8.9.10} biet A co hon 1 phan tu neu x,y,z thuoc A va x<y<z thi z =x.y tim A
tim x,y thuoc Z:
(8-x)(4y+1)=20
tim x,y thuoc Z:
(8-x)(4y+1)=20
Tim x, y,z thuoc Z biết xy+1=z
tim x;y thuoc z sao cho x+y₫ê; x-y₫