Jump to exercise:
Fill the gap.
734, 744, 754, , 774
358, 368, 378, , 398
129, 139, , 159, 169
847, 857, 867, , 887
430, 440, , 460, 470
559, 569, 579, , 599
, 369, 379, 389, 399
, 969, 979, 989, 999
724, 734, 744, , 764
453, 463, , 483, 493
59, , 79, 89, 99
916, , 936, 946, 956
, 669, 679, 689, 699
50, , 70, 80, 90
819, 829, , 849, 859
559, 569, , 589, 599
604, 614, , 634, 644
, 150, 160, 170, 180
, 267, 277, 287, 297
259, 269, , 289, 299
Your score is:
Excellent
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