From 1 to 9, nine digits, three digits minus three digits equals three digits, the mantissa is 1, nine digits can't be repeated,

From 1 to 9, nine digits, three digits minus three digits equals three digits, the mantissa is 1, nine digits can't be repeated,

864 - 593 = 271
954 - 683 = 271
648 - 357 = 291
675 - 384 = 291
837 - 546 = 291
864 - 573 = 291
927 - 586 = 341
927 - 546 = 381