Số cặp số nguyên( x;y) thõa mãn:
\(\frac{y^2-x^2}{3}=\frac{y^2+x^2}{5}\) và (xy)10 =1024
Cho x;y la so nguyen sao cho | x | + | y | = 5. So cap so nguyen ( x;y ) thoa man la
a, co bao nhieu cap so nguyen ( x,y ) thoa man x + y=1
b. co bao nhieu cap so nguyen ( x,y ) thoa man x.2 + y =1
hai cap so nguyen to hon kem nhau 2 don vi goi la cap so nguyen to sinh doi. tim cac cap so nguyen to sinh doi nho hon 100
so cap so nguyen x,y thoa man dieu kien 3/x+y/3=5/6 la ... cap
so cac cap so nguyen x;y thoa man x+y+x*y = 3
cho 2 so x;y la cac so nguyen sao cho :/x/ +/y/ = 2 so cap (x;y) thoa man la
ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
minh can gap dang thi cap truong
ki hieu [x] la so nguyen lon nhat khong vuot qua x .So nguyen x thoa man [7x-5/3]=-2
minh can gap dang thi cap truong
so cap so nguyen (x;y) thoa man (2x-5)(y-6)=17
Là 4 cặp
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Cho minh Đ-Ú-N-G nha bạn
cho x ; y la cac so nguyen to sao cho gia tri tuyet doi cua x cong gia tri tuyet doi cua y bang 5 so cap so nguyen (x;y) thoa man la