Các câu hỏi tương tự
tim cac cap so nguyenx ,y thỏa man x2=x+3=y2
tim so nguyenx thoa man: (x+2014)^2=64.(x+2007)^3
tim cac so tu nhien x sao cho 4x^4+1 la so nguyen to
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
a co tong so x ,y z, la 180 biet tong x, y gap 1,456 lan z . Tim x, y, z
tim a biet a la so co bon so nho nhat chia 5 du 3, chia 7 du 4, chia 9 du 5
tim so tu nhien n de n^4 +4 la so nguyen to
Cho x, y la hai so thoa man 2x^2 + 1/x^2 +y^2/4 =4. Tim Max A= xy
Cho x,y la so duong va x+y=1.Tim gia tri nho nhat cua bieu thuc P=2(x^4+y^4)+1/4xy