أ㲻ˮʯݻǣΪʲôҪǸ𣿡ȰչȰһ棬ǻᰮġ
ûȤϡ
ֻҪ㰮Ҿˡ
㰮𣿡
ҲǸ߹ôôʡ
㷳ԸôòŸһΣȻ̬ȡ
˵еҸϽҵȻ㣬ҾǾôԵ飬ʵҪʡ
İ㡭һңһ˵
вõԤС
ΪףٰʽΨаء
֮ѯδհ׳ư
Ȼ½֮Ϊ˾½Ϊʯ
Ϊˣŭ½֮࣬Ǹϳ
502
ʱˣ
Ȼﶼϳȥˣ徲ľá
550
Һ֪ȺСǵĶôþȥ500翴ȷһǷ˴կ
ȥ500ұ磬ûκࡣ
ֻص˾400ʱ㣬Ծûĺۼ
300ꡢ200˻ȥ100ʱΪˡ
ҺģʹòԼ
ο˵ˣǿǿ飬һʳ
ͷһɨգ˵öԡ
ǣǸ˿˳۵һһչޣгԲʳӣȹ˼ġ
ִ˼ʱȣһֱ2000ʱȷǵĹģѾˣųġ
նȾһѲķ̬֮ȻȺľ
ѣһչޣʢʳƣ١
609
˸3000ҵʱ㣬;סһʱ䣬һ·顣
ȻԼ֪еĹŴе𣬵ҲΪһǺܲġ
x
ʱգʱ˵Ҫˡ
Ҳ˶ɥʧ˶ʱĸ֪
ס˶أס˶ꣿ
Ӧס˲ˣΪѾ˵ɽһԲϵķ˳Ǿֱġ
ʱطסˡ
־ɽвϷƾֻµȻȱʳԹ
˽Դ˲ξ䣬ʳ֮ϡ
x+y졣
µʱ㣬µľסأΪߣʵڿۣԮ֡
֪ѺǽӣͰǴն
Ļ˭Զ
ɽ˱ʼǡʱҽʩطδߡ
Ȼ֪֮ǣνˡ֮Ѻ
Ȼ˶ʵ˴֮ʿʩߣ֮ʧ
˽Դ˰Ϊ
x+y+z
ʱ㣬Ҽеû̫ˣû֮⡣
ôʼļƻɡ
x+y+z+1
ڵؼʱ̡
Ȼ֮ǰܹɾлѧ𩣬߷Ӧı仯
ô뼸ӦҲɡ
æôãڵһˡ
ҰԼ뷨;˵ˣܲܰǰ˱ڵ磿Դ
ᶯΧĻڲĩˣôӦҲɣɣҲû취ıֻܽ״
˵ˣһ̫ƽʢû˭ܾɡ
ǣûʶ
룬Ȼ»صˮʱڣµһ棬Ȼ١
ô鷳㸴ҵʱҲֻһʶ
ⶫں٣dnaôһҲ֪ȫò
Դʶǵʶйij̶ֳȵĽҵDZʶһIJ
һѱסң佱Ӧ϶ҵúá
ҵDZʶǿˣҵӣҲˣԣɡ
Դʶ
ָָԴ
һ룬˵㶨ˡ
ǵģʶ˶ʱû֪ģҾȵʣ㶨ˣԴ𣿡
˵ӦǴԽɡ
Ц˵ǿȥ
x+y+z+2
ûкԴϣ˵ǸˣϣȺúһʱ䡣
ž£Ҹʵʱ˵ɡ
ڵݲǰ˾ľֱԼңȽࡣ
Ϊ˼ʹϵģɣôΧһйϵҲӦس֣ĽͺҲˡ
Գûǰˣ֪ϵı仯ϾǶڡ
ƽ硣
ϣ֡
x+y+z+3
ҵDZʶҵʶҳˣԡ
ǸʴѧĴѧϾ֪ĸʾʺҵԼѡɡ
ΨһȽ鷳Ѧݣûкй
x+y+z+4