DAY 88

Today’s Challenge

In our latest MATHELONA challenge, can you replace the 12 ◯’s below with the following 12 numbers so all three lines work out arithmetically?

0     1     1     2     2     3     4     5     6     7     8     9

◯  +  ◯   =     1     =   ◯  –  ◯
◯  +  ◯   =    12    =   ◯  ×  ◯
◯  +  ◯   =     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 2 up to 84.

The 4th & 5th rows of the playing board contain the following fourteen numbers:

3     6     7     10     16     21     32     35     44     50     54     60     81     84

Which two different numbers have a sum of 100?

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Answers

. . . can be found when clicking this.

7puzzleblog

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