õ屾ǽģǹʽʵһʼܵ뷨һԲֻ˵ѡ˵˵һԽԽ֣ʲôʲôͿԳԺóԵģȻöֱ֣ӷԸò֮ģͲòվ˵䣬ļһξ顣Һ˵ǧӰǼһǴϴ֣ȻûˡأҾǿ϶áãкܴĿԻѳջʱɱްû£һѳջˣڰؽһ˶ʱ䡣κ˼ҽΪʲôѾջ˵ijͻȻ˺õģ˵Ѳ˵ʱģûⰡô˵ɣνġ˵ɻδȽ˵仰:ˣҲ극ˡǰ廻ȥȻׯȥǸƽңģȻع˵꣬ǿƵĺͽ塣µõԭԼ֮ѣ˺һᣬŻָֻôһ˲ѣȴׯǧӰȸӵһļһﲶˡôˣﲻ𣿡ׯȻϲԼĸڽ֮ΧתΪԼӶһߡһģҲһ֪ôźõġΪһˣȻDzܵԼĸһ˵ҲܵŽˣСƢýߣýѿýǼҵĺøд۾ڲȻԼĺɾͲˡԼǸرϲĸĸףͻԼʧϲԼ
try{mad1(gad2);}catch(ex){}֮һжпܣϾĸϲġ˽ǵĸףĸףǵĸסĸףӺùˡû¡һ²ۣһ߳һĨЦֻͷеΣû˯áͷеΣҪҪׯ˹ĵʵáԥ˵ȻӦôʹ죬϶ԼԭġĴڣׯͨ˵һɣһԶܣҲĴڡϾ˼˿ԱȵġңһܡϾӱͽۣͥܵĴڡϾҪDZͥȺر֪ݣǿɾ鷳ˡΪͥЩ˶Ϊ͵͵ȻܵԽȥ鷳Ļɾ鷳ˡϾͬһˣ׳£Ҳͳ¡£Ҳͳˡij̶ֳ˵һġһݾݣһֻҪûг⣬Ͳֳֺõ顣һ˵ײһͨˣҲȻԼҲ״ڸǡܣ˼Ҳδػ˵ġⲻ˵ģڻˣֻ߾ɵˣԲŻ˵ġǴɾҩˡͬģȻҲֻԼҺѵˡ
һǧһʮ (1/2),һҳĶ