Question

(1-根号3)/(1+根号3)怎么算?要过程.

Answer 1

原式=(1-√3)/(1+√3)
=(1-√3)²/[(1+√3)(1-√3)]
=(1-2√3+3)/(1²-√3²)
=(4-2√3)/(1-3)
=(4-2√3)/(-2)
=√3-2