Các câu hỏi tương tự
Tim tat ca cac cap so nguyen x,y sao cho
c) (x - 2) (2y + 1)=4
tim tat ca cac so nguyen duong x,y sao cho cac so x2+3.y va y2+3.x deu la so chinh phuong cua 1 so
tim tat ca cac so nguyen x sao cho x+1 chia het cho x+4
Cau1 Tim cac chu so x, y sao cho so co 4 chu so 4x7 y chua het cho tat ca cac so 2,3,5
Cau 2 :Tim x la so tu nhien be nhat sao cho x > 10,35
Cau 3 : Tim x la so tu nhien lon nhat sao cho x < 8,2
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)
Tim tat ca cac cap so x,y sao cho
(x - 1)(3 - y)= -7
Tim tat ca cac cap so nguyen x,y sao cho xy-2x+y+1=0
1.a, cho a=3+3^2+3^3+3^4+...+3^90. chung minh rang achia het cho 11 vs 13
b, tim tat ca cac cap so nguyen x,y sao cho x.y-2x+y+1=0
minh dang can gap nhanh len cac ban@gmail.cm
Tim tat ca cac cap so nguyen x,y sao cho
a) xy = 3
b) x(2y - 1)=8