tinh tong 2005 chu so dau tien sau dau phay cua M khi M duoc viet duoi dang so thap phan biet :M=1/11x1/11x...x1/11.co 2005 thua so

giup minh voi nhe

co tat ca bao nhieu cach viet so 34 duoi dang tong cua 2 so nguyen to ? nhanh nha ban oi minh dang hoc 

co tat ca bao nhieu cach viet so 34 duoi dang tong cua hai so nguyen to?

Viet so 43 duoi dang tong cua hai so nguyen to a,b voi a<b. khi do b =?

tim 1 so tu nhien o giua 70 va 80 biet rang so do vua co the viet duoc duoi dang tong cua hai so tu nhien lien tiep vua viet duoc duoi dang tong 3 so tu nhien lien tiep     cac ban nho co loi giai chi tiet nhe

co tat ca bao nhieu cach viet so 34 duoi dang tong cua hai so nguyen to 

viet so 43 duoi dang tong 2 so nguyen to a,b voi a<b.khi do b=

viet so 43 duoi dang tong 2 so nguyen to a,b voi a<b khi do a = ......

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.