DAY 28:

Today’s Challenge

. . . is a MATHELONA challenge taken from Volume 1 of my pocket book series.

Insert the digits 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 8 and 8 into the 12 gaps below so all three lines work out arithmetically:

◯  +  ◯   =    6    =   ◯  –  ◯
◯  +  ◯   =    8    =   ◯  ×  ◯
◯  +  ◯   =    2    =   ◯  ÷  ◯

.

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 & 6th rows of the playing board contain the following fourteen numbers:

5     12     13     18     20     25     33     36     42     45     49     56     66     80

What is the sum of the odd numbers listed above?

.

Answers

. . . can be found when clicking this.

7puzzleblog

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