DAY 128

Today’s Challenge

Using all four decimal numbers 0.4, 0.8, 1.2 and 3.5 once each, and with + – × ÷ available, 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 containing 49 different numbers, ranging from up to 84.

The 2nd & 4th rows of the playing board contain the following fourteen numbers:

3     8     10     17     28     32     35     44     48     54     55     60     63     64

What is the difference between the two prime numbers listed above?

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Answers

. . . can be found when clicking this.

7puzzleblog

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