化简(2-√2/1*2)+(3√2-2√3/2*3)+(4√3-3√4/3*4)+...+(100√99-99√100/
√(1-√2)^2+√(√2-√3)^2.+√(√99-√100)
化简(2-√2/1*2)+(3√2-2√3/2*3)+(4√3-3√4/3*4)+...+(100√99-99√100/
(1+√2)分之2+(√2+√3)分之2+(√3+√4)分之2+…+(√99+√100)分之2=?
/√1-√2/+/√2-√3/+…+/√99-√100/
化简:(√6+4√3+3√2)/[(√6+√3)(√3+√2)]
一道二次根式题1/(2√1+√2)+1/(3√2+2√3)+1/(4√3+3√4)+…+1/(100√99+99√100
一道2次根式数学题1/(2√1+1√2)+1/(3√2+2√3)+1/(4√3+3√4)+…+1/(100√99+99√
计算:√4-√3/√12+√3-√2/√6+√2-√1/√2=?
|1-√2|+|√2-√3|+|√3-√4|+|√4-√5|+...+|√2009-√2010|
化简:(1)12/√3 (2)8√6/√2 (3)√3(√12-√21) (4)√45-√125/√5
化简√(4+ √15)+ √(4-√15)-2√(3-√5)
计算:√(1-√2)²+√(√2-√3)²+√(√3-√4)²+···+√(√2004-√