Các câu hỏi tương tự
1) Tim so nguyen to P de co:
a) P+10 va P+14 deu la so nguyen to
b) P+2 ;P+6 va P+8 deu la so nguyen to
tim n thuoc N de 2^n-1 va 2^n+1 la so nguyen to
Bai 1:tim so nguyen P biet P+2va P+4 deu la nguyen to
bai 2: tong 2^100×7×11+81^3 la nguen to hay hop so ( giai thich)
Bai 3: tim so nguyen to P de P +2,p+6,P+8 deu la cac so nguyen to
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.Tren nua mp bo chua tia Ox,ve cac tia Ox1,Ox2,Ox3,...,OxN sao cho:
xOx2=2xOx1,xOx3=3xOx1,.......,xOxN=NxOx1.tim so N nho nhat de trong cac tia da ve co mot tia la tia phan giac chung cua 2017 goc
2.CMR:neu p la so nguyen to lon hon 3 va 2p+1 cung la so nguyen to thi 4p+1 la hop so
3.So sanh: 63^15 va 34^18
4.tim cac so tu nhien n co hai chu so biet:2n+1 va 3n+1 deu la so chinh phuong
5.CMR: S=16^5+2^15 chia het cho 33
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
tim so tu nhien n de 2n+1 va 7n+2 la hai so nguyen to cung nhau
Tim so nguyen to p de p, p+2, p+4 deu la cac so nguyen to
tim so nguyen to p sao cho p+2 va p+4 deu la so nguyen to ???