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Use Gauss's approach to find the sum for 1+2+3+4+...+999
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Use Gauss's approach to find the sum for 1+2+3+4+...+999
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Aug 25, 2017
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Use Gauss's approach to find the sum for 1+2+3+4+...+999
Mathematics
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Gamopo
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Sn=(a₁+an)n/2
Data:
a₁=1
an=999
n=999
Sn=(1+999)*999 /2=(1000)*999/2=999000/2=499500
Answer: the sum is 499500
Kamen Goranchev
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Aug 28, 2017
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Kamen Goranchev
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1+999=1000
=499.5
The sum
=1000*499.5
=499500
Rejwanul Reja
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Aug 31, 2017
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Rejwanul Reja
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