In 123456.12, which numbers are preceded by a negative sign to make the sum of these numbers 0

In 123456.12, which numbers are preceded by a negative sign to make the sum of these numbers 0


Five, seven, four, eight, three, nine, that's all



How many six digits can 123456 be composed of?


The six numbers 123456 can form 6 * 5 * 4 * 3 * 2 * 1 = 720 six digit numbers



What are the four digits of 123456


Repeatable: 6 ^ 4 = 1296
No repetition: 6 * 5 * 4 * 3 = 360