Các câu hỏi tương tự
tim so chinh phuong co 4 chu so. Biet so gom 2 chu so dau lon hon so gom 2 chu so cuoi 1 don vi.
tim n thuoc N sao cho 3^n +n^2 la so chinh phuong n >1
cho n la mot so chinh phuong bat ki . CMR n co dang 4k hoac 4k +1 voi k la so tu nhien
Tim so tu nhien n sao cho n2 + 16n + 2011 la so chinh phuong.
Tim so tu nhien n sao cho n2 + 16n + 2011 la so chinh phuong.
tim x nguyen duong de 4x^3+14x^2+9x-6 la so chinh phuong
tim x de 2^x+3^x+4^x la so chinh phuong
tim so tu nhien n de n(n+3) la so chinh phuong
tim a khi biet a-79 vs a+41 la so chinh phuong ai nhanh dung cho 1 tick