SO NHO NHAT CO 4 CHU SO KHAC NHAU MA TONG CAC CHU SO CUA SO DO BANG 21 SO DO LA
tinh tong cua so lon nhat co ba chu so ma tong ba chu so la 20 va so nho nhat co 4 chu so khac nhau
so lon nhat co 4 chu so khac nhau ma tong 4 chu so do bang 22 so do la ..........
so be nhat co 4 chu so khac nhau ma tong bon chu so do bang 20 so do la ........
so nho nhat co ba chu so khac nhau ma tong ba so la 19
Tong cua hai chu so la so lon nhat co ba chu so khac nhau. Mot trong hai so do la so nho nhat co ba chu so khac nhau. Tim so kia?
so lon nhat co 4 chu so khac nhau ma tong cac chu so bang 20
So be nhat co 4 chu so khac nhau ma tong 4 chu so cua so do bang 20............................
so lon nhat co 4 chu so khac nhau ma tong cac chu so cua so do bang 10