April 9's academic exercise

The first prize for Magnum is 0904, second prize is 2484 and the third prize is 6844.

The original number is 4664. 466 is the changing number and 4 is the fixed number. 46 changed to 00 and the third number 6 changed to 9. Therefore it is 0094. Moved second 0 in between 9 and 4, then you will have 0904.

The second prize is 2484. The original number is 4664. The first number 4 is the fixed number and the last number 4 is also a fixed number. The second number 6 will change to 2 and the third number 6 to change to 8, therefore, you will find 4284. Then moved the second number to the first place, you will have 2484.

The third prize is 6844. The original number is 4668, 468 is the fixed number and second number 6 is the changing number. This 6 will change to 4, then you will have 4468. Moved the 44 to the back and it will become 6844.

Damacai 's first prize is 0774 and second prize is 9004.

The original number for 0774 is 4664 where 466 is the changing number and 4 is the fixed number. 45 will change to 77 and the third number 6 will change to 0, then it becomes 7704. Move the 0 to the first place, then you will have 0774 which is the first prize.

The original number for 9004 is 4664. 466 is the changing number and 4 the fixed number. 45 will change to 00 and 6 will change to 9, therefore, you will have 0094. The third number 9 will move to the first place and you will have 9004.

Toto's third prize is 8112. The original number is 4662 where 466 is the changing number and 2 is the fixed number. 46 will change to 11 and the third number 6 will change to 8, then you will have 1182. Move the third number 8 to the front, then you will have 8112.

I still think it is important to find the original number. From there you can change the number and there is a formula for this.