Các câu hỏi tương tự
tim mot so chinh phuong co 4 chu so vua la so chinh vua la so lap 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
tim so tu nhien N co 2 chu so,biet rang 2N+1 va 3N+1 la cac so chinh phuong
cho a la 1 so chinh phuong co 4 chu so biet 2 chu so dau va 2 chu so cuoi cua giong nhau hoi a la bao nhieu
tim so chinh phuong co dang 22ab
tim so co 5 chu so biet so do bang binh phuong cua tong cac chu so cua so do
tim 1 so phuong co 4 chu so sao cho 3 chu so dau hoac cuoi giong nhau
[x+y][x+2y][x+3y]x+4y]+\(^{y^4}\)la so chinh phuong
Cho \(a_1\),\(a_2\),......,\(a_{2016}\)la cac so tu nhien co tong chia het cho 3
CM: \(a_1^3+a^3_2+....+a^3_{16}\)Chia het cho 3