DAY 70

Today’s Challenge

Using the numbers 1, 4 and 6 once each with + – × ÷ available, list the SIX numbers that are mathematically possible to make in the range 20-30 inclusive.

Details of our mathematically possible game are at mathematicallypossible.com.

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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 3rd & 5th rows contain the following fourteen numbers:

6     7     13     16     21     25     36     42     45     50     66     80     81     84

What is the sum of the factors of 100?

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Answers

. . . can be found when clicking this.

7puzzleblog

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