DAY 306

Today’s Challenge

This challenge has been taken from our brand-new series of MATHELONA number puzzle pocket books.

Can you complete this task so all three lines work out arithmetically when inserting the digits 0, 0, 1, 1, 1, 2, 3, 4, 5, 6, 7 and 8 into the 12 gaps below?

◯  +  ◯   =     6     =   ◯  –  ◯
◯  +  ◯   =    15    =   ◯  ×  ◯
◯  +  ◯   =     1     =   ◯  ÷  ◯

Further details of our popular challenges can be found by clicking MATHELONA.

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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 1st & 3rd rows of the playing board contain the following fourteen numbers:

2     9     13     14     15     22     25     36     40     42     45     66     72     80

Which two numbers, when each is halved, also appear on the list?

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Answers

. . . can be found when clicking this.

7puzzleblog

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