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135 һͰʯ͵ڶ? ʯλĻ㷽 1.λ֮Ļ λ֮ĻܶpԭͼƷ͵ܶptʾij¶״̬£ÿʯΪpءϵΪ һ͵=1/p ...

Ͱ ʢߣľͷƤϵƳɣΪԲͲΣе Ͳ 1ִ 2ϴֵĹ״ 3·ȵͲ״

1Ͱ158.98=42ءl=3.785Ӣ1أ4.546Ҫԭ͵ܶйء

ձйͰʵʵĽӴзֳУ֪᲻ȫ˵ͰģϣտïҲСïף֪ǼʲôģķȻͬʱķǺץ¡

1. ķ֮һͰ...ָʿԭ..ʹõľͰijߴȽСĹ.{ԼһͰװ..ԼDZ׼700ml..ƿ.ͨ.ķ֮һͰʹõľͰDzͰ.} ͨ..ѩͰ.portͰ..װ..700ml׼ƿ...

PETͰڸ»ֽкʣͰװˮͰѭظʹãи̣˹ʼֹܾ涨PETͰΪظʹõͰװˮͰʹá ĿǰгϳֵˮͰ·Ϊࣺ ʳƷPCͰPETͰ PETͰΪҶ...

һͰжأ λ֮ĻܶpԭͼƷ͵ܶptʾij¶״̬£ûʯΪpءϵΪ һ͵=1/p һ൱Ͱ=1/p*6.29Ͱͣ 6.29ܶȼΪ1͵ڶ...

=С(뾶ƽ) 뾶=ֱ2 =3.1415926 ô=3.1415926303090254469ƽ

ʯͰԭͺʯͲƷļõĽ׵λʷDZ׼ͰĴС42ƼأڹʵʹеĸͰ55Ƽأ44ӢƼأΪ55Ͱʯͽʼԭ42...

tub ָϴ·ʢҺ壬Ե裬ͰʢʳС pailһͰˮǸͰ keg СͰͨᳬ30 barrel Ͱһмеֵ drumǹ״Ͱһֵ milk churn ţͰ

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