Các câu hỏi tương tự
tim mot so chinh phuong co 4 chu so vua la so chinh vua la so lap phuong
tim so chinh phuong co 5 chu so chia het cho 54
tim so tu nhien N co 2 chu so,biet rang 2N+1 va 3N+1 la cac so chinh phuong
tim tat ca cac so chinh phuong gom 4 chu so biet rang khi ta them 1 don vi vao chu so hang nghin them 3 dom vi vao hang tram them 5 don vi vao hang chuc them 3 don vi vao hang don vi ta van co 1 so chinh phuong
tim mot so chinh phuong co 4 chu so biet so gom 2 chu so dau lon hon so gom 2 chu so sau la 1 don vi
Chung Minh moi so Nguyen le deu Viet duoc duoi dang hieu 2 so chinh phuong
tim x,y de thoa man
a) n^2-4xy+7 la so chinh phuong
b) n^2-3n-1 la so chinh phuong
tim so tu nhien n de 2^8+2^11+2^n la so chinh phuong
Tim p de P=n^2+a7 la so chinh phuong