Viet dang tong quat cua so tu nhien co 5 chu so dau giong nhau, 3 chu so cuoi giong nhau.​​​

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

tong cua hai so bang so chan lon nhat co bon chu so giong nhau hieu cua hai so gap doi so le be nhat co 4 chu so tim hai so do

tong cua hai so bang so chan lon nhat co bon chu so giong nhau hieu cua hai so gap doi so le be nhat co bon chu so tim hai so do

tong cua hai so bang so chan lon nhat co bon chu so giong nhau hieu cua hai so gap doi so le be nhat co bon chu so tim hai so do

Tim so tu nhien co 2 chu so giong nhau, gia tri cua moi chu so bang tong cua hai chu so nhan 2

aa =( a + a ) . 2

1.Co bn so co 3 chu so chia het cho 2 ma ko chia het cho 3

2.Viet so tu nhien lon nhat co 4 chu so ma tong 4 chu so bang tich 4 chu so

3.Viet so tu nhien lon nhat co 5 chu so ma su dung 3 chu so khac nhau

4.Tinh tong tat ca cac so co 4 chu so chia het cho 2 va 3

5.Co bn so co 4 chu so ma tich 4 chu so do bang 12

Cac ban giai giup minh nha ,minh dang can gap

cho 1 so co 4 chu so co tong bang 24 viet nguoc lai duoc so da cho tim so do biet nhom 2 chu so ben trai hon 2 chu so ben phai la 36

giai theo cach tieu hoc ai nhanh mik tik

viet so thap phan lon nhat co 5 chu so khac nhau ma tong cac chu so bang 33