Các câu hỏi tương tự
a/ Hieu cac binh phuong cua 2 so tu nhien chan lientiep la 8 . tim hai so ay
b/ tong cac binh phuong cua 2 so tu nhien le lien tiep laf 2594. tim hai so ay
c/ chung minh rang so 3599 duoc viet duoi dang tich cua 2 so tu nhien khac 1
Can bac hai cua 64 co the viet duoi dang nhu sau: \(\sqrt{64}\)= 6+\(\sqrt{4}\)
Hoi co ton tai hay khong cac so co 2 chu so co the viet can bac hai cua chung duoi dang nhu tren va la mot so nguyen? Hay chi ra toan bo cac so do.
cho so nguyen to p va cac so duong x,y thoa man 4x^2-3xy-y^2-p(3x+2y)=2p^2 CHUNG MINH RANG 5x-1 la so chinh phuong
chung minh A = n*(n+1)*(n+2)*(n+3)khong la so chinh phuong voi moi n la so tu nhien
chung to rang hieu 111..11 - 222...2 co the viet duoi dang binh phuong cua 1 so tu nhien 100 chu so 1 50 chu so 2
viet cac bieu thuc sau duoi dang binh phuong cua mot tong hoac mot hieu
xy^2+(2+xy^2)+10-6x+x^2
cho a,b la cac so nguyen thoa man
2018a2-20192=a-b
chung minh gia tri tuyet doi cua a-b la so chinh phuong
viet da thuc sau duoi dang binh phuong cua 1 tong hoac 1 hieu
\(\left(2x+3y\right)^2+2\left(2x+3y\right)+1\)
tim phan so co dong thoi cac tinh chat sau
a/Tu cua phan so la so tu nhien co mot chu so
b/Hieu giua tu so va mau so la 4
c/Neu giu nguyen tu so va viet them vao ben phai mau so mot chu so dung bang tu so,thi duoc phan so moi bang phan so 1/5