(√3+1)(√3-1)=2
计算:√4-√3/√12+√3-√2/√6+√2-√1/√2=?
1/(1+√2)+1/(√2+√3)+...+1/(√9999+√10000)=99
(√3+√2)*(√3-√2)= √1/7+√28-√700=
1/(1+√2)+1/(√2+√3)+1/(√3+2)+.+1/(3+√10)=
实数的运算 [急]√96-√24=√3(√3-1)=√20+√5/√5-√1/3*√2=√54=√2-5√1/2+√32
√(1-√2)^2+√(√2-√3)^2.+√(√99-√100)
√1/5=(),计算:√2/3-√3/2,√18-√8+√1/8,√25/2+√99-√18
1 √2 √3 √6 1 √2 √3 √6 1 √2 √3 √6 1 √2 √3
(1/√2+√1 + 1/√3+√2 +1/√4+√3+.+1/√2010+√2009)*
(√5+2√3)(-√5+2√3)=?(2√3-1)²=?√32÷(√8+√18)=?
(√75/3-√1/8)-2(√0.5+√1/3)=
(1/3√27-√24+3√2/3)×√18=?根号