- #1
haiha
- 136
- 1
My friends gave me a problem that he said it can be very simple to be proved, but really it is not (to me)
There is an ink stain with area of smaller than 1cm2 on a sheet of paper. Prove that there is always possibility you can place a net with square mesh of 1 x 1 cm on the sheet so that not any knot point touches the ink stain.
There is an ink stain with area of smaller than 1cm2 on a sheet of paper. Prove that there is always possibility you can place a net with square mesh of 1 x 1 cm on the sheet so that not any knot point touches the ink stain.