tim so nguyen to ab  co 2 chu so khac nhau sao cho ba cung la 1 so nguyen to va ab - ba la 1 so chinh phuong

tim hai so nguyen to ab co 2 chu so khac nhau sao cho ba  cung la so nguyen to va ab - ba la 1 so chinh phuong

Tim so nguyen to (a>b>0) sao cho ab -ba la so chinh phuong

tim so nguyen to a va b sao cho ab + ab la so chinh phuong

neu co so tu nhien n sao cho k =n^2 thi ta noi so k la so chinh phuong tim tat ca cac so ab saocho (ab+ba) la so chinh phuong

tim so nguyen to p sao cho 8p+1 la so chinh phuong

a)so sanh E=2018^99-1/2018^100-1 va F=2018^98/2018^99-1

b)Tim so nguyen to ab (a>b>0),biet ab-ba la so chinh phuong

c)Cho abc la so tu nhien co 3 chu so .Tim gia tri lon nhat cua A={abc/a+b+c}+1918

tim so nguyen duong a nho nhat sao cho 2a la chinh phuong 3a la lap phuong

tim so nguyen duong a nho nhat sao cho 2a la chinh phuong 3a la lap phuong