Các câu hỏi tương tự
tìm n:
n+1; n+3; n+7; n+9; n+13; n+15; n+19 deu la so nguyen to.
Biet rang n+1; n+3; n+7; n+9; n+13; n+15; n+19 deu la cac so nguyen to. Vay n = ?
tim cac stn n sao cho n+1;n+3;n+7;n+9;n+13;n+15 la so nguyen to
tim so tu nhien n sao cho:n+1; n+3; n+7; n+9; n+11; n+13; n+15 la cac so nguyen to
tim tat ca cac so tu nhien n de cac so sau la so nguyen to :n+1,n+3,n+7,n+9,n+13,n+15
tim n thuoc Z de
a)n+3/n-2 la so nguyen am
b)n+7/3n-1 la so tu nhien
c)3n+2/4n-5 la so tu nhien
d)15/n ; 12/n+2 va 6/2n-5 deu la so nguyen
ai giai duoc,trinh bay day du mik tick cho(mik can gap)
1) Biet rang 996 va 632 khi chia cho n deu du 16 . Tim n.
2) Chung minh rang 7n + 10 va 5n + 7 la hai so nguyen to cung nhau ( n thuoc N )
3) Biet rang 7a + 2b chia het cho 13 (a,b thuoc N) . Chung minh rang 10a + b cung chia het cho 13
tim n de :2^n-1 va 2^+1 deu la so nguyen to
cho hai phan so C=2/n-1 va D=n+4/n+1 .tap hop cac so nguyen "n" de C va D deu la cac so nguyen la?
.mk dang can gap ai nhanh nhat mk tick cho