DAY 82

Today’s Challenge

Using each of the four numbers 0.8, 0.9, 1.5 and 5 once each, and with the four arithmetical operations + – × ÷ available to use, can you arrive at the target answer of 7?

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 2nd & 3rd rows contain the following fourteen numbers:

8     13     17     25     28     36     42     45     48     55     63     64     66     80

What is the sum of the prime numbers?

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Answers

. . . can be found when clicking this.

7puzzleblog

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