Subtraction Training

Enter the diffrence of the number at the top and the number on the left in the square.
Range:100 to 999
Size:25 x 25
Time:
0.0
Avg. Time:Not available
Best Time:Not available
Attempts:0
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Attempts:Login to view
- 768 977 583 744 420 784 664 448 371 765 715 425 431 996 667 350 442 933 280 147 738 734 342 387 400 -
794 794
938 938
931 931
568 568
671 671
870 870
226 226
839 839
653 653
234 234
571 571
639 639
845 845
934 934
483 483
941 941
577 577
687 687
449 449
186 186
310 310
413 413
647 647
860 860
624 624
- 768 977 583 744 420 784 664 448 371 765 715 425 431 996 667 350 442 933 280 147 738 734 342 387 400 -