Answer to Question #128819 in Algebra for kern

Question #128819

1+2+3+...+999+1000=?

Expert's answer

"1+2+3+...+999+1000=(1+1000)+(2+999)+(3+998)+...+(500+501)=500*1001=500500"

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Jyoti

07.08.20, 13:54

500500

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