30 = 2.3.5 có 3 ước nguyên tố là 2; 3 ;5
30 = 2.3.5 có 3 ước nguyên tố là 2; 3 ;5
phan tich cac so sau ra thua so nguyen to , tu do cho bet cac uoc la so nguyen to , cac uoc so la hop so , so do co bao nhieu uoc ?
cac ban giai nhanh len tui can gap ?
cho a la 1 hop so, khi phan tich ra thua so nguyen to chi chua hai thua so nguyen to khac nhau la P 1 va P 2. biet a^3 co tat ca 40 uoc. Hoi a ^2 co bao nhieu uoc
Cho a la mot hop so.biet khi phan tich ra thua so nguyen to thi a chi chua 2 thua so nguyen to la p1 va p2. Biet a mu 3 co tat ca 40 uoc tu nhien.
Hoi a mu 2 co bao nhieu uoc tu nhien.
Ai giai nhanh minh tick.giai ra nhe
cho a la mot hop so ,khi phan tich ra thua so nguyen to chi chua 2 thua so nguyen to khac nhau la p1 va p2.biet a3 co tat ca 40 uoc hoi a2co bao nhieu uoc
cho B la mot so tu nhien .Biet B =tich cua axby ; a,b la cac so nguyen to khac nhau ;x,y la cac so tu nhien khac 0 . B2co 15 uoc Hoi B3co bao nhieu uoc
cho n chi co 2 uoc nguyen to . n^2 co 35 uoc so tu nhien . hoi n^4 co bao nhieu uoc so tu nhien
uoc so nguyen to cua 2520 la bao nhieu
255 co tat ca bao nhieu uoc so nguyen to
So tu nhien nho nhat co 15 uoc nguyen duong la bao nhieu?
giup minh nhe