Sum of Counting Numbers Trick: Why Does It Work?
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dude u should make more math videos that are hard to but in a easy way man
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Hey great video, you shoud be a teacher. This is a great video for everyone, well done.
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Shhhhh!! Don't tell anyone, but I own an Angel's hat as well!
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when adding consecutive numbers.. if the number is even, just halve the number multiply by the next number... if the number is odd.. just halve the next number multiply by itself! example: 1-24 = halve of 24 is 12 and then 12x25=300... 1-21 = halve of 22 is 11x21=231 and so on....
DuangJai99 3 years ago
Yep...that's the same as Gauss's method.
oxman00 3 years ago