DAY 105:

Today’s Challenge

How quickly can you correctly answer the following seven questions?

  1.  (17 – 4) + (12 – 9) = ?
  2.  (3 – 2) – (16 – 16) = ?
  3.  What is Seven and seven-eighths minus Four-and-a-half?
  4.  109 + 10 = ?
  5.  (3 + 16) + (16 + 9) = ?
  6.  (11 – 5) + (4 + 1) = ?
  7.  What is the perimeter of a 13cm by 13cm square?

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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 2 up to 84.

The 2nd & 5th rows of the playing board contain the following fourteen numbers:

6     7     8     16     17     21     28     48     50     55     63     64     81     84

Which two numbers in the list are cube numbers?

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Answers

. . . can be found when clicking this.

7puzzleblog

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