When a B C D × 4 is equal to D C B a B C D E F × 3 is equal to B C D E F A, the formula holds Is a B C D E F × 3 equal to b c d e f a

When a B C D × 4 is equal to D C B a B C D E F × 3 is equal to B C D E F A, the formula holds Is a B C D E F × 3 equal to b c d e f a

1089*9=9801
142857*3=428571
285714*3=857142