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1+1=4?Ϊʲô

ⲻһ˿֤ģѧҵ飡 1742ŷи°ͺ²룺һ2дֽ֮͡ѧѾʹá1ҲԼԭִΪһ5д...

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3+3=84+4=103+3+4+4=8+10=18ԣ3+4=18/2=9

4Ϊ+ 1+1=1+1

3+4=1ڣʵǵλĻ㣨1=7죩1+2=1ȡ500+500=1ǧˡ2+8=1 ȵȣ1λԷΪ2Сλĺ͡ λ㣬ָͬһʵIJͬλֵ֮㡣õĵλгȵλ...

ܳһʱ䣬޷ʹùʽȥƽͼֱ𲽳졣1665ţƵһݼ ln(1+x) = x - x^2/2 + x^3/3 - ... Euler(ŷ)1734꣬NewtonijɹȻ˵ͼ...

͹̣ S=1+2+3+...+n S=n+(n-1)+...+1 + 2S = (n+1)+(n+1)+...+(n+1) =n(n+1) S=nn+1/2 1+2+3+...+n=S=nn+1/2 һȲе͹ʽ չϵȲָӵڶÿһǰһIJͬһһ...

һˮһˮһˮ һδ֪ʽһ һ ¼߸µһ Сʱʮ˸Сʱһ

1+1.°ͺղ롢 1729~1764,°ͺŷ˳ʮ. 174267ոŷ,°ͺһ.д "ҵģ ȡijһ,77,԰д֮ͣ 77=53+17+7...

1ֻ+1ֻ=1˫ 1+2=1ס 3+4=1ܡ 5+7=1ꡢ 6Сʱ+18Сʱ=1

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