6C.4 Numbers

Gap-fill exercise

Fill in all the gaps, then click «Check» to check your answers. You can click «Hint» to get a clue. Note that you will lose points if you ask for hints or clues!
Example: 36 - TRETTISEKS

17 -
48 -
77 -
18 -
127 -
269 -
414 -
56 -
311 -
1599 -