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Alex's Math Magic Presentation
The square of any number ending in 5 can be done by taking Number A (the absolue value of the number in front of 5) and multiplying it by the next higher consecutive number of Number A. Then, place 25 after the product.
Math Magic Steps
1.Pick a number that ends with 5
2.Subtract 5
9.Multiply the absolute value of
your number and the next
consecutive number of the
absolute value of your
number and then add the
product to your result
3.Divide the number by 10
Conclusion
4.Find the Absolute value of the number
5.Square the result
6.Subtract 5 from the result
10.Multiply the result by 100
7.Add 54 to the result
11.Add 1974 to the result
8.Subtract the Square of your
number
12.Subtract 6849 from the result
Does your final answer prove the statement in the conclusion?
Math Magic
Math Magic
Steps translated
into equations
by Alex Huang
7. x^2+49
8. 49
9. {|x|(|x|+1)}+49
10. 100{|x|(|x|+1)}+4900
11. 100{|x|(|x|+1)}+6874
12. 100{|x|(|x|+1)}+25
1. x5
2. x0
3. x
4.|x|
5. x^2
6. x^2-5