Co bao nhiêu so tu nhien co 4 chu so ,trong do hai chu so dau giong nhau,hai chu so cuoi giong nhau?
co tat ca bao nhieu so co 4 chu so trong do 2 chu so dau giong nhau va 2 chu so cuoi giong nhau ( biet rang trong moi so do co chu so hang tram khac chu so hang chuc)
Viet dang tong quat mot so tu nhien:
a) co hai chu so
b) co ba chu so
c) co bon chu so,trong do hai chu so dau giong nhau ,hai chu so cuoi giong nhau
tim SCP co 4 chu so biet 2 chu so dau giong nhau va 2 chu so cuoi giong nhau
Viet dang tong quat cua so tu nhien co 5 chu so dau giong nhau, 3 chu so cuoi giong nhau.
co bao nhieu stn co 4 chu so trog do 2 chu so dau giong nhau ,2 chu so cuoi giong nhau
(biet rang trog moi so do, chữ số hag tram khac chu so hang don vi)
co bao nhieu so tu nhien co 4 chu so ma ba chu so dau khac nhau hai chu so cuoi giong nhau ?
làm giúp min nha mấy bạn ! ai đúng thì mình sẽ tick nghen!!!
Co bao nhieu so tu nhien co hai so dau giong nhau va 2 so cuoi giong nhau ?
Tim so tu nhien co hai chu so khac nhau . Biet rang: hai chu so cua so do deu la so nguyen to . Tich cua so do voi cac chu so cua no la so co 3 chu so giong nhau duoc tao thanh tu chu so hang don vi cua so do.