cho p la phan so nguyen to lon hon 3

a) tim so du khi p binh phuong cho 3

b) hoi p binh phuong +2015 la so nguyen to hay hop so

co ai hoc truong tieu hoc NGUYEN THAI BINH Q12 khong ? Ket ban voi minh nhe

dien dung sai

a/tich cua hai so nguyen duong la mot so nguyen duong

b/tich cua hai so nguyen am la mot so nguyen am

c/tich cua 2 so nguyen cung dau luon lon hon moi so do

d/tich cua hai so nguyen khac dau luon nho hon moi so do

e/neu tich hai so nguyen la mot so nguyen duong thi hai so do deu la so nguyen duong

f/neu tich hai so nguyen la mot so nguyen am thi hai so do deu la so nguyen am

Viet bieu thuc dai so bieu thi:

a) tich cua 3 so nguyen lien tiep;

b) tong cac binh phuong cua 2 so le bat ki

c) thuong cua 2 so nguyen trong do mot so chia cho 3 du 1 ,mot so chia cho 3 du 2;

d) luy thua bac n cua tong hai so a va b

chung to rang voi moi so tu hien n thi 2n+1 va 2n^2 -1 la hai so nguyen to

tim tap hop cac so co hai chu so la binh phuong cua 1 so nguyen to

tim so nguyen duong n nho nhat sao cho n/2 la binh phuong cua mot so nguyen va n/5 la lap phuong cua 1 so nguyen

cho 3 phan so , biet rang trung binh cong cua chung bang 7/6 . neu tang phan so thu nhat len 2 lan va giu nguyen 2 phan so con lai thi trung binh cong cua chung bang 41/30.neu tang phan so thu hai len hai lan va giu nguyen hai phan so con lai thi trung binh cong cua chung bang 13/9 . tim 3 phan so da cho.

5 nguoi lam nhanh nhat minh se tick cho

nhanh len nha

Tim 5 so nguyen sao cho moi so trong cac so do deu bang binh phupng cua tong 4 so nguyen tren