1. ## mathematical operations

how it is possible to remove a three-digit number using two mathematical operations

2. Originally Posted by hebby
how it is possible to remove a three-digit number using two mathematical operations
what do you mean by remove,is it some kind of magic puzzle ?

3. Easier if you use an eraser

4. well lets say u have a number 208323404.......and i want to get 208323.....what two mathematical operation would I use to remove the last 3 numbers.

5. How about subtracting 404 and divide by 100?

In general: subtract last 3-digitnumber and divide by 100

6. Originally Posted by Dinkydoe
How about subtracting 404 and divide by 100?
In general: subtract last 3-digitnumber and divide by 100
...and divide by 1000, not 100

7. yes, that was plain stupid, 1000 ofcourse