Multiply two numbers together and then add or subtract a third number to reach the target answer of 60. The three numbers used in each calculation must all be digits from 1-9 and in this challenge they can be repeated.
As an example, one way of making 60 is (9×6)+6, can you find the other THREE ways?
[Note: (9×6)+6 and (6×9)+6 counts as the same way.]
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from 2 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
How many pairs of consecutive numbers are there?
. . . can be found when clicking this.