Mot phep cong co hai so hang la so chan lien tiep .Tong cac so :so hang thu nhat so hang thu hai va tong bang 276.Tim phep cong do biet so hang thu nhat lon hon so hang thu hai 

Cho mot phet cong cong co so hang thu nhat hon so hang thu hai la 15 don vi .Biet tong cua so hang thu nhat so hang thu hai va tong bang 682. Tim so hang thu hai cua tong 

mot phep cong co ba so hang co tong  bang 2010 . So hang thu nhat gap doi so hang thu 2, so hang thu 3 bang hai lan tong so hang thu nhat va thu hai. Tim ba so hang cua phep cong tren

trong mot phep cong tong lon hon so hang thu nhat 28764 don vi va so hang thu hai gap ba lan so hang thu nhat vay so hang thu nhat la.........

trong mot phep cong tong lon hon so hang thu nhat 28764 don vi va so hang thu hai gap ba lan so hang thu nhat vay so hang thu nhat la......

Tong cua 2 so la so lon nhat co hai chu so. So hang thu nhat la so chan lon nhat co 1 chu so. Tim so hang kia

-tong cua so hang thu nhat va thu hai hon so hang dau la 30.

-tong cua 3 so do hon tong 2 so hang dau la 46

-so hang thu nhat bang nua tong 2 so hang con lai

Tong cua so hang thu nhat, so hang thu hai va tong la 3248. Biet so hang thu nhat bang 4/7 tong hai so.Tim so hang thu nhat trong phep tinh do

Trong 1 phep cong,tong cua hai so hang lon hon so hang thu nhat 12548don vi va so hnag thu hai gap 4 lan so hang thu nhat.tim tong