tim 4 so nguyen to lien tiep ma tong cua chung la 1 so nguyen to
tim 3 so nguyen to lien tiep sao cho tong cac binh phuong cua cac so so do la 1 so nguyen to
Cau | Dung | Sai |
Co hai so tu nhien lien tiep deu la so nguyen to | ||
Co ba so le lien tiep deu la so nguyen to | ||
Moi so nguyen to deu la so le | ||
Moi so nguyen to deu co chu so tan cung la mot trong cac chu so 1,3,7,9 | ||
Ai tra loi nhanh nhat thi minh se like 3 lan | ||
Co gang len nha ! |
tim 4 so nguyen to lien tiep sao cho tong 4 so do la so nguyen to
Tim 4 so nguyen to lien tiep sao cho tong cua 4 so nguyen to do cung la 1 so nguyen to
Cau Dung Sai
a) co hai so tu nhien lien tiep deu la so nguyen to
b) Co ba so le lien tiep dau la so nguyen to
c)Moi so nguyen tao deu la so le
d)moi so nguyen to deu co chu so tan cung la mot trong ?
co ton tai khong 30 so nguyen viet thanh hang ngang ma tong 5 so lien tiep bat ki la so am ,tong 7 so nguyen lien tiep bat ki duong
3 so nguyen lien tiep co tong bang 0 so nho nhat trong 3 so do la
cho 3 so nguyen lien tiep co tong bang 0 so nho nhat trong 3 so do la