trong cac so sau hai so nao la hai so nguyen to cung nhau 12;25;30;21;
The nao la cac so nguyen to cung nhau cho vi du
trong cac so sau so nao la so nguyen to
12;13;20;21;32;43;654;987;985
Trong cac so sau so nao la so nguyen to so nao la hop so
312
213
435
417
3311
67
tìm số tự nhien n de cac so sau la cac so nguyen to cung nhau :
a, 4n + 3 va 2n+3
tim so tu nhien n de cac so 9n+24 va3n+4 la cac so nguyen to cung nhau
trong hai so sau ,cap so nao so nguyen to cung nhau ?
A.6va9 B.2va11 C.15va33 D2va6
Chung to rang cac so sau la cac so nguyen to cung nhau :
1) 2n + 1 và 2n + 3
2) 2n + 5 va 3n + 7
the nao la 2 so nguyen to cung nhau