a) 1764 = 22.32.72 nên chia hết cho các thừa số nguyên tố : 2 ; 3 ; 7
b) 3936 = 25.3.41 nên chia hết cho các thừa số nguyên tố : 2 ; 3 ; 41
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phan tich cac so sau ra thua so nguyen toroi cho biet moi so do chia het cho cac so nguyen to nao?
a) 225; b) 1800; c) 1050 ; d) 3060
phan tich cac so sau ra thua so nguyen to roi cho biet moi so do chia hetcho cac so nguyen to nao?
a225 b1880 c1050 d3060
phan tich cac so sau ra thua so nguyen to roi cho biet moi so do chia het cho cac so nguyen to nao
a)225 b)1800 c)1050 d) 3060
khi phan tich cac so :21345;14190;243135 ra thua so nguyen to thi khi nao :
a.co chua thua so nguyen to 5?
b. co chua thua so nguyen to 3 va 5?
c.co chua thua so nguyen to2;3 va 5?
ai tra loi duoc cau nay thi ket ban minh nhe
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
biet abc phan tich ra thua so nguyen to co thua so 3,7. cm a+19b+4c cung co tinh chat do
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 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
Phan tich so A=1.2.3.4....59.60 ra thua so nguyen to thi so mu cua cac thua so nguyen to 2 va 7 la bao nhieu
Giup minh voi cac ban oi $$$$$