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SOLUTIONS: Slide 1: The number 1, 2, 3 should go across the middle gray boxes, so the product will be 1x2x3=6. One solution is for the 5 and 4 to be in the top boxes, 7 and 6 in bottom boxes (left to right) Slide 2: Each row will equal: 105506 125506 135506 145506 SUM = 512024