DAY 10:

Today’s Challenge

Using seven 7’s (7, 7, 7, 7, 7, 7 and 7) once each, with + – × ÷ available, it is possible to make various target answers, such as 7 as shown here:

  • 7+7+7+7777,  or perhaps
  • 7×(7÷7)×(7÷7)×(7÷7)

In a similar way, can you make the target answers 1, 2 and 3?

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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 3rd & 4th rows of the playing board contain the following fourteen numbers:

3     10     13     25     32     35     36     42     44     45     54     60     66     80

What is the sum of the multiples of 4?

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Answers

. . . can be found when clicking this.

7puzzleblog

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