Jump to exercise:
Fill the gap.
225, 235, , 255, 265
259, 269, , 289, 299
, 621, 631, 641, 651
359, 369, , 389, 399
759, 769, , 789, 799
, 469, 479, 489, 499
359, , 379, 389, 399
958, 968, , 988, 998
859, , 879, 889, 899
133, 143, , 163, 173
, 551, 561, 571, 581
841, 851, 861, , 881
, 69, 79, 89, 99
, 518, 528, 538, 548
, 429, 439, 449, 459
, 657, 667, 677, 687
, 969, 979, 989, 999
114, 124, , 144, 154
16, 26, 36, , 56
701, , 721, 731, 741
Your score is:
Excellent
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