Who's up for some math problems?

[Flow]

TheLivingShadow said:
Hey guys sorry I'm a little late but here goes the answer to all the problems you posted...which were laughably easy except for the horse one which is a little stronger.

colonelstubbs said:
Ive got a maths problem. How do i fit ten horses into nine stables?

I believe this is a possible choice but I'm not sure. You put one horse in the middle of the field and then encircle him inside 8 other stables, like this:

[H][H][H]
[H]H[H]
[H][H][H][H]

Then you have 8 stables making a larger 3x3 stable without the center panel, with the tenth horse in it to complete the stable.

Is it right?

For fuegonian's 3 [ 4 - 3 ( 6 - 7 ) ] = Correct procedure would be:

3[4-3(-1)]=
3[4+3]=
3[7]=
21// As easy as that. Of course it can be done mentally if you have a high enough level.

Now for fuegonian's 5x + 3 (x - y) - y = procedure is:

5x+3x-3y-y=
8x-4y=
4(4x-y)// And that's it.

Let's increase the level a little, ok? Here's an Olympiads first level problem:

If P=1x2x3x4...x50, then the number of factors 2 that P has is: ???

That problem should spice things up a bit.

 

Oh my, is it 25?