1. ## Building Blocks

Each block is equal to the sum of the two numbers beneath it. Find all the missing numbers...
As an example, the block on the bottom right corner must be a 24. Now you're own your own.

2. ## Re: Building Blocks

<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">476
235 241
111 124 117
50 61 63 54
27 23 38 25 29
22 5 18 20 5 24</span hide>

3. ## Re: Building Blocks

Tim - I'd be thrilled to know that this presented some challenge and wasn't solved in five minutes or less..
<img src=/S/cheers.gif border=0 alt=cheers width=30 height=16>

4. ## Re: Building Blocks

Tricky - it was a good puzzle that completely falls open once you have worked out its little secret (<span style="background-color: #FFFF00; color: #FFFF00; font-weight: bold">a block that sits on top of three blocks that are two levels down, say A, B and C is equal to A + 2B + C</span hide>). I was going to do some nice formatting but I didn't want to be second with the solution.

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