Các câu hỏi tương tự
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 so nguyen to a va b sao cho ab + ab la 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 tat ca cac so nguyen to p sao cho 5^p+12^p la so chinh phuong
a, tim n de n^2 + 2006 la mot so chinh phuong
b, Cho n la so nguyen to lon hon 3. Hoi n^2 + 2006 la so nguyen to hay hop so.
TIM SO NGUYEN TO CO 3 CHU SO BIET KHI VIET THEO THU TUNGUOC LAI NO LA 1 SO CHINH PHUONG
tim so tu nhien lon hon 0 sao cho tong
1!+2!+...+n! la so chinh phuong
b)tim 1 so co 4 chu so sao cho so do vua la s chinh phuong vua la so lap phuong
cho tong S=1+3+5+....+2015. tinh s chung to S la so chinh phuong a tim cac uoc nguyen to hac nhau cua S