là số 71,73,79
neu61ai h thì mh cảm ơn
là số 71,73,79
neu61ai h thì mh cảm ơn
a, Chung minh rang 5m+3 va 3m+2 la 2 so nguyen biet rang 1 so bang 10 ngen to cung nhau voi m la so nguyen to bat ky.
b,Tim 1 bo ba so nguyen to biet rang 1 so bang 10 phan tram tong cua 3 so can tim
Ai lam nhanh nhat minh tick cho
tim so nguyen to p sao cho no vua la tong cua 2 so nguyen to vua la hieu cua 2 so nguyen to nao do ket qua bang 5 cho minh cach giai nha
co bao nhieu phan so bang phan so -48/-68 ma co tu va mau deu la so nguyen am co ba chu so . ai lam dung to se tick nguoi do
cho so sau , so nao la so nguyen to ,so nao la hop so:
A=aaaa........a ( 2016 so a )
B=80^2 - 79 . 80 + 1601
so sánh :
73/79 và 71/82
1)Viet tap hop B gom can so la tich cua dung 3 so Nguyen to co 1 chu so
2) Viet tap hop A gom cac so chan co 4 chu so va co tich cac chu so bang 10
Biet rang so 691 . k la mot so nguyen to .Vay k bang ?
cho x ; y la cac so nguyen to sao cho gia tri tuyet doi cua x cong gia tri tuyet doi cua y bang 5 so cap so nguyen (x;y) thoa man la
cac so sau day co phai la so nguyen to k
1431
635
119
73