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Сѧ 10Ԫ

Ϊδ,Ĺ˾Dz. ³ԿĻ, ȥһЩС͹ݿ,Ƹ,ȥ,æ˲,ոӲʲô.һӦмʮǮ.

ѽ˴Ϸ

ѵĺαշѵģ գдļҳ򡶷߷ӳ˵ӾͶСѧʹһΪУѶͨĶŷĿĿÿշ10ԪֱӴӼҳĻп۳ҪʦҳͼͥҵϢҳΪʦҳͨ...

1ԪͲ֪Ϊʲôձڶսÿҹ鲻ͬҷչˮƽһձ10ԪӪĻ10ǰ20ԪĺõͣʷڲϷչġйˡĵطҪѧϰ...

͵Ŀﵽ1000͵ԣȻۻġٵĻٶٶ

Ŀ 10Ԫ20öƱֵ0.8Ԫ0.3Ԫмš 𰸣 0.8-0.3=0.5ֵIJۣ 10-200.3£0.8-0.3=880.8Ԫģ 200.8-10£0.8-0.3=12120.3Ԫġ

Сѧѧ: һ10ԪǮԻ ( 2 )5Ԫ ( 5 )2Ԫ ( 10 )1Ԫ

뷨ܺãѧУܺѧƷϷСҲ

ҪǮ׬ǮҲףǴģ

240ԪΪ10ı2Ԫ5Ԫһ࣬ôǵҲӦΪ10ı 2Ԫ5Ԫһ10ţʱ10Ԫ50-10X2=30ţǮ240Ԫ⣻ 2Ԫ5Ԫһ20ţʱ10Ԫ50-20x2=10ţʱǮΪ 10X10+2+5)X2...

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