trong cac so sau so nao la so nguyen to cung nhau 12;25;30;21
The nao la hai so nguyen to cung nhau?
trong hai so sau ,cap so nao so nguyen to cung nhau ?
A.6va9 B.2va11 C.15va33 D2va6
The nao la cac so nguyen to cung nhau cho vi du
The nao la hai so nguyen to cung nhau ? Cho vi du
The nao la hai so nguyen to cung nhau? Cho vi du minh hoa
trong cac so sau so nao la so nguyen to
12;13;20;21;32;43;654;987;985
chung minh rang voi moi so tu nhien n, cac so sau la hai so nguyen to cung nhau:
a) 7n + 10 va 5n + 7
b) 2n +3 va 4n +8
Chon cau sai
A.Hai so nguyen to chac chan la 2 so nguyen to cung nhau
B.Hai so tu nhien lien tiep la hai so nguyen to cung nhau
