1/(1+√2)+1/(√2+√3)+1/(√3+2)+.+1/(3+√10)=
计算:√4-√3/√12+√3-√2/√6+√2-√1/√2=?
√(1-√2)^2+√(√2-√3)^2.+√(√99-√100)
1/(1+√2)+1/(√2+√3)+1/(√3+2)+.+1/(3+√10)=
1/(1+√2)+1/(√2+√3)+...+1/(√9999+√10000)=99
(1/√2+√1 + 1/√3+√2 +1/√4+√3+.+1/√2010+√2009)*
1 √2 √3 √6 1 √2 √3 √6 1 √2 √3 √6 1 √2 √3
1/√3+√2+1/√4+√3+1/√5+√4+1/√6√5
|1-√2|+|√2-√3|+|√3-√4|+|√4-√5|+...+|√2009-√2010|
√1+√2+√3+.+√n等于多少?
1/(1+√2)+1/(√2+√3)+1/(√3+√4)+.1/(√2012+√2013)
(√3+√2)*(√3-√2)= √1/7+√28-√700=
1、(√3-√2+√6)*(√3+√2-√6)