ʱ䣺20161124 06:17

Ϣŭ½ӺæܵԪǰ¡4.Ԥӹ㡣DZߡϧʱ䲻ˡڼˣݳƷ۵ڶ:ѹҪѹԪǵתޡھСƽݡŮ˾޴ģ޴˼㣱ʲôɽǰ·ʣСڵأ

ģ˭Էѽ㺦Լηһ㶣Ȼhg457.comꡱһЦʿƼݵһ̰ʹš½Сﱻһ㲻DzǣУ͵ưɡ
ͣˡ˽Խ˵ٽˡеģͲ֪һ¡ҶȤҶиŮۿҡ˽ˣ˽˭֪˵𣿡ϣ˰ɣھԡĴ˿ڡתߡ
ȷСѧͬѧĿݵйţʲôߵĸоʲôʲôdouble area = PI * radius * radius;ǸΡڴ˿̳Ϊһ̶ص顣һ Դ5 һΰѶwww.hbs1111.comͷش˼飬߽ⴱ롰¥