DAY 56:

Today’s Challenge

Replace the 12 ◯’s below with the 12 numbers 0, 1, 2, 2, 3, 3, 4, 6, 6, 7, 9 and 9 so that all three lines work out arithmetically:

◯  +  ◯   =     6     =   ◯  –  ◯
◯  +  ◯   =    18    =   ◯  ×  ◯
◯  +  ◯    =    3     =   ◯  ÷  ◯

If you enjoyed trying this puzzle, visit our MATHELONA page for further details.

.

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 4th & 6th rows contain the following fourteen numbers:

3     5     10     12     18     20     32     33     35     44     49     54     56     60

How many triangular numbers are listed above?

.

Answers

. . . can be found when clicking this.

7puzzleblog

This entry was posted in 7puzzleblog.com. Bookmark the permalink.

Leave a Reply

Your email address will not be published. Required fields are marked *