DAY 243

Today’s Challenge

We invite you to use seven 3’s (3, 3, 3, 3, 3, 3 and 3) once each, with + – × ÷ available, to make various target numbers.

For instance, to make 1 and 2, you could do:

  • [3 × (3÷3)] – (3÷3) – (3÷3)  =  1
  • [(3+3) ÷ 3] × (3÷3) × (3÷3)  =  2  . . .  and so on.

Continuing as above, can you make the target numbers from 3 to 6?

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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 5th & 7th rows of the playing board contain the following fourteen numbers:

4     6     7     11     16     21     24     27     30     50     70     77     81     84

Find three different numbers from the list that have a sum of 100.

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Answers

. . . can be found when clicking this.

7puzzleblog

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