Các câu hỏi tương tự
Cho x;y la so nguyen sao cho | x | + | y | = 5. So cap so nguyen ( x;y ) thoa man la
so cap so nguyen x,y thoa man dieu kien 3/x+y/3=5/6 la ... cap
so cap x;y nguyen thoa man x>y va x/5=7/y la giup mik nhe mik tik cho !
so cap so nguyen x,y thoa man 5/x-y/3=1/6 la
so cap x;y thoa man ( y+ 1 ) ( 2x+3 ) =7 la
So cap STN (x;y) thoa man x/5-4/y=1/3 la
bai 1 28(30-48)-30(28-38)
bai 2 :tim cac cap so nguyen (x:y)thoa man : y+3+x.y+3x=7
so cap ( x , y ) nguyen thoa man (y +1 ) (2x +3 ) = 7 la.....
so cap x;y nguyen thoa man [x+1][x+2]=7 la bao nhieu