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Ϊʲô׬Ǯôѣ

ΪûԸ主

ǰ죬Ⱥһλͬѧʣдԡ

һʳƷо꣬·겻ܡ

룬ҪҪԼ˷꣬ͿҪDZԼĶˡ

Ҹ˽רעʳƷҪóȻꡣ

꣬Ǿͺúÿ꣬ҪǿʳƷΪĿģꡣ

Ϊʲô

ǰʳƷABBAͨΪAûġ

Aļֵֻ0.80.6B

ǣܲʳƷסû˿꣬Bļֵֻ0.60.4

ôھͺˡ

λͬѧôӵ飬ļֵA x B = 0.6 x 0.4 = 0.24

ֻʳƷ

dz˵ģһҲɲ˺ĸ

Dz˵ǿǿǵġ

ǿǿָA>1B>1A1.5B2ʱõļֵA x B = 1.5 x 2 = 3

ǿǿϡ

иǰᣬǣABҪ1Ҳ˵ǿߡ

AûʱҲA<1ʱûа취ͨһܸ׵Bġ

ҪĹǰAá

һεĶ˾ϳһ˾ѴҶ

Ϊʲô׬ǮôѣΪûԸ主

˶ڿޱǧAںˡ

ܶͬѧʣݹIJãҪҪҵͷ

ʵϣ뷨ǷdzͶԺΣյģΪԼĻۣ¿ʼ

ԭóܱһᣬɹʸ

Ҳкܶͬѧһʱʼ治ԣ;鲻ֵ·

ʵҲǷdzǵġ

һγɿɵӵĽмֵĻۡ

ǻ۵ˣܡ׾

ڿ޻湦

2

ǻ۵

ڿ

ǰ죬ڵõ֪ʶǰһϢ


յͬѧ2000ۡǺܶ𰸣޷Ĵ

ȣѧ⣬и֪ʶ㡣

Ǿ48Ԫ/36Ԫ/СƣСѧġ

ѧʦ޷ѧʱֻʦæ

⣬һǾھӡԪȥУûաۣ200Ԫ

һϵж

ͬڣյ˿200ԪǼٱңˡ

ھӿԴӹɾ

ȥ֪ʶ㣬֮½һ⣺

24Ԫ/ɱ㣬36Ԫ/ļ۸4˿͡˿͸200Ԫ㣬ǮɽȻ֣200ԪǼٵġ

ʣ˶٣

ڻ滹ѧˡ

ǣ152

ֽⷨ

1վڹ˿ӽǡֻн˫˿׬ģġ˿Űֽ4㣨96Ԫ56Ԫ㣨=200-24x4152Ԫ=ԣ152Ԫ

2վԼӽǡ׬48Ԫ=(36-24)x4ٱ200Ԫԣ152Ԫ=200-48

3վڻӽǡ0ʼ״̬-24x44㣩+200յ˿200Ԫ-56㣩-200Ǽٱң= -152

ԣһٲ绢152Ԫ

Ҫۡȷ𰸾152Ԫ

ΪʲôҪѧأ

ΪҵУڴġѧġ

ӵСѧ˼άʵһ

ûС˼άһûСȫ

Щ˺ܴƺǿҵһЩݾ׾ٵػһЩСɾ͡

Ȼ㣬ƾ׬Ǯվƾȥ

΢г׬˵ǮͿʼӱʽ塣

ȻͶгǰûж࿴飬ѧϰϵͳ֪ᱻгĺܲҡ

ʵг߼֪ĸŬ

޻Ū߼ƶԭϸִСرǰ˳ҡ

Ϊʲô׬Ǯôѣ

Ϊ̫ܶ׬Ǯˣ̫ϣ׬ǮˣӶǮ̫ˡ

ȿֺ׷󡰿١һťһ£Ͼܱ

ȻΪ˴ɸĿꡢܣҪƵµǰջ

ѧʦǮ˵дɾߣ˿±

Ը»ˣдɾ͡

ǻ۵ˣڿ

3

Ψ֮׾

ʤ֮

ڽȺҶͬѧ˵

Ϊʲô׬Ǯôѣ

Ϊܶ˸ؼĵطŬ

ϷУһ˿ͻƹɣDZҡ

ǹ⬼ףв˵ֻҪֵϾС

ǣʵϷûнݾ

ң㲻ҵ

죬ңǿܻҵࣿ

˵ɣ˵Ҳᡣ

˵ɣ˵ҲС

˵Ȼôòã˵ôֱӰҸ߰ء

˵սֻܽ·⣬ܽ⡣

ѯʵָֻȴܵʯɽ

˵ҲţһһζҩûҵŲҡ

ǿʼ˾ļҵףԭOKRԭ̨ԭǰװ……

ȥ󣬴ڵȥекеıж

Ҳкܶˣǿֻʤǿ

ǣû鵤ҩֻոһյĽͶ

ҲûǴ󷨣ֻʵʵͭ÷׮

ǻ۵ˣܡ׾

Ϊ׾Բȡɣֻ֪Ӳ꣬˲ǡ

Щ˲Ը¡֮ߣɿ塣

˵Ψ֮׾ʤ֮ɡ

Ҫøijɹͱس壬

Ļ

дκͻ뻪ĴʼˣɼʦͨһСʱĵ绰

˺ܶ໰⡣dzɼʦÿĹʲô

1ÿĶһСʱϡΨһ⣬Ǵʮʱ䣬ѧϰ

2ÿ컹Ҫѧϰ45Ӣһֱϡ

3ÿ21:30˯ڶ5𴲡dzɡ

4ÿ賿5-7㣬ͷѵʱдѾ2000죬ûмϹ

5ҪԼ58ǰд70顣

ֻ֮Ͷء

5£ÿһܶ

ǣ2000첻ϵ

¼һ60ǣ6겻ϵ

һ仰±

Ǽֵ֡ñ˿һ۾ͻ

ʼͷûо䡣

ߵ·Ӳӵ

ǻ۵ˣܡ׾


ر(ͼƬƵ)Ϊýƽ̨׺šûϴƽ̨ṩϢ洢

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