Các câu hỏi tương tự
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
tim so tu nhien n co hai chu so sao cho 2n la mot binh phuong cua mot so tu nhien 3n la lap phuong cua mot so tu nhien
tim 1 so co 2 chu so . biet so do la lap phuong cua so tu nhien va tong cac chu so cua no bang binh phuong cua mot so tu nhien
Tim stn n có 2 chu so sao cho 2n la binh phuong cua 1 stn,3n la lap phuong cua mot stn
Tim 2 so co 2 chu so sao cho lap phuong cua so nay bang binh phuong cua so kia
tim so nguyen duong n nho nhat sao cho n/2 la binh phuong cua mot so nguyen va n/5 la lap phuong cua 1 so nguyen
tim so chinh phuong co 4 chu so ,biet rang neu lay chu so hang nghin tru di 3, chu so hang don vi cong them 3 thi duoc so moi cung la so chinh phuong
tim tap hop cac so co hai chu so la binh phuong cua 1 so nguyen to
tim so tn co 2 chu so biet hieu cac binh phuong cua so do va so viet boi 2 cs cua so do nhung theo hung nguoc lai la so chinh phuong