người ta co cac chu cai :X,U,A,N,D,I,N,H,D,AU xep thanh day:X,U,A,N,D,I,N,H,D,AU,X,U,A,N,D,I,N,H,D,A,U....Hoi chu cai thu2010 la chu nao ?

 nguoi ta viet cac chu cai D,A,Y,T,O,T,H,O,C,T,O,T,......THANH DAY;

DAYTOTHOCTOTDAYTOT...BANG 3 MAU xanh ,do ,tim ,moi tieng mot mau.Hoi chu cai thu 2010 la chu cai gi?Mau gi?

Nguoi ta viet lien tiep cac chu cai B, I, N, H, G, I, A, N, G thanh mot day BINH GIANG, BINH GIANG, BINH GIANG....  Mot ban dem duoc trong day da viet co 2017 chu cai N .Hoi day da viet co bao nhieu chu cai I ? Bao nhieu chu cai H ?

viet lien tiep cac chu cai A,N,L,Ư,U thanh day AN LƯU,AN LƯU,...........Chu cai thu 1998 la chu cai gi ?

nguoi ta viet lien nhau cac cau HOC NUA HOC MAI thanh mot day HOCNUAHOCMAI HOCNUAHOCMAI...Hoi:

a>Khi viet duoc 150 cau HOC NUA HOC MAI thi chu H;M dc viet tat ca bao nhieu lan 

b) chu cai thu 200 trong day chu gi cua tu nao

trong day chu cai: hoctoanhoctoanhoctoan......................   hoi chu cai thu 201 la chu cai nao

Nguoi ta viet lien tuc day chu VIET NAM  VIET NAM VIET NAM .... hoi chu cai 2007 la chu gi ? 

A :M

B :N

C :A

Xin chao cac ban hoc sinh tren khap moi mien To Quoc, toi la Tran Duy Anh, toi den tu Hai Phong, nay toi se dua cho cac ban mot bai toan nhu sau, cac ban hay lam nhe

                          Viet cac chu cai HAI PHONG thanh cac day H,A,I,P,H,O,N,G , biet H,A bang ba mau cam,tim,do,biet chu H la mau xanh. Hoi chu thu 2000 mau gi

Xin chao cac ban hoc sinh tren khap moi mien cua to quoc, toi ten la Duy Anh, den tu Hai Phong, toi se dua cho cac ban mot bai toan sau

                                  Viet chu cai HA NOI thanh cac day H,A,N,O,I. H,A bang ba mau xanh,do,vang, bat dau chu H la mau xanh. Hoi chu thu 2000 mau gi