This is a maths game that I strongly recommend to anyone who like to keep their brain active.
You will find it wonderful and importantly, it is free and requires only a piece of paper and a pencil to go with it.
This activity is not new. I have seen many with deviation.
Here I will share with you the concept.
CONCEPT: The target ( a list of number from 1 to 10, or similar list) is to be produced using a set of pre-defined numbers, or a certain number only. Any mathematical operation can be utilised to achieve the target.
Example:
To produce a list of number from 0 to 10 using ALL the numbers 1, 2, 3 and 4, with any of the mathematics operators, + , -, /, x, ) ( and exponential.
Here it goes...
0 = 4 - 3 - ( 2 - 1 )
1 = (4 - 2 )/ (3 - 1 )
2 = (4 + 21) / 3
3 = 41 + 2 -3
4 = 4 x 2 - 3 - 1
5 = 4 x 2 - 31
6 = 4 + 2 / 13
7 = 4 + 3 / 12
8 = 4 x 2 / 13
9 = 4 x 2 + 13
10 = 4 x 2 + 3 - 1
This is a simple maths game, but it involves the application of the basic principle of mathematics to achieve the targeted number for a given set of constraints.
"Reversity" - a reversal of the mathematical procedure.
Another tougher Reversity game is to have only the number 4 used.
Any deviation can be created to generate different levels of difficulties. Explore it!
Keep your mind in reverse gear ....... ! s r e e h C (reversed)
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Sunday, 17 August 2008
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