PUZZLE 4: ========= Fill in the blanks so that 1) The top row contains 3 different single digit numbers. 2)The 2 circles at the opposite ends of the second row each contain the same digit as the adjacent circle in the top row. 3)Each of the remaining 8 circles contains the sum of the 2 circles in the row above that touch it. We have placed 2 numbers to get you started.
...........4........ 7........ 5 ......4.....11......12........ 5 ...........15..... 23......17 ..................38.........40 ........................78.
