Thread: Missing digits

Hello everybody,

i'd appreciate it very much if someone could help me solve this:

12xy
11121x1y
3112111x111y
?

Hello, alana!

This is a classic (very old) puzzle . . .

i'd appreciate it very much if someone could help me solve this:

. .

Each row describes the contents of the row above it.


The first row is: .

It contains: .one 1, one 2, one , one .

The second row is: .


The second row contains: .three 1's, one 2, one 1, one , one 1, one .

The third row is: .


The third row contains: .one 3, two 1's, one 2, three 1's, 1 , three 1's, one .

The fourth row is: .

Dear Soroban ,

thank u sooooo much for the solution and for replying that quickly. It was such a nice explanation. Best wishes and a kiss from Croatia!