Question

观察下列各式的化简过程1/√2-1=√2+1/(√2-1)(√2+1)=√2+11/√3-√2=√3+√2/(√3+√2

Answer 1

1/(√6-√5)=(√3+√2)/(√3+√2)(√3-√2)=√3+√2

1/(√n-√(n-1))=√n+√(n-1)

=√2-1+√3-√2+...+√2012-√2011=√2012-1

您的计算符号漏的和错的太多了.