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ڼԾƽ̨֪ͨ򹫸ķʱΪ׼

һܿͻѡСЧǡʶӪƷڶǩպָʱڷƷЧڲ϶ӦЧҪ󣬿ύۺϵͷ룬ṩЧƾ֤ͨΪͻṩ·ƷЧҪʣౣڲ㱣ڵ1/2ʱΪͻ벹ƷЧҪʱƷΪͻ˻˿̿ͻۺ

1.ΪʲôҵԤҪԤָΪ˰տ˵ҪƶһԤʽδԤס۳ȫ򲿷ַѡԤͨ¼1Ҫӳ䱣ʱʱƵݷҪṩÿ2Ƶڷŵ»ҪԤṩÿ3ʱڣչƽڼ䡣ƵҪˡ

1.Ԥб൱бϡԤȡκηáֻҪԤ֮յԤɹţƵͻ䡣ȥֱӵƵ޷뷳ա2.дԤʱע 1Ԥʱÿṩһס˵ԷƵҵԤӶס 2дס˼ϵϢʱṩ˵ʵϢԱԤȷϹκ⾩ʱ

1ܡһָ߹СһʶƷʱ֧1ƷƷɾṩԴ񣬿ǩ7ԴѡƷٸʣƷ֧˻ע֧1Ʒȡߣ2Ͼʹһ񣻷ǰû״ʹ迪ͨ2ʹһ1ѡھAPPѡСһ

1ʲôǴ˷գھƽ̨С˷աʶɵ̼ƷƷ˻ڣۺ̼ͬ˻ѡȡмĻء̼ҡ˻Ʒϴݵţ̼ȷջ󣬱չ˾ˣͨָտ˻Ԥ72СʱˣʵʵʱΪ׼ʱע˷δʱˣɲ򡭡

1 ʲôҵɣϢڣҵҵԱṩ޹ڹȷĽڲƷöȺҵԱھƽ̨ܡȲɹ󸶿֧2 1.1Qҵɵշѱ׼Aҵɵķ£1ܽ᣺/=ѱ*0%2½᣺ ڣǰӦ=˵ܽ+˵ܽ½񡭡

һӪƷ˷ȡ׼һͷþȫӪƷ˷Ǹݶʵػۺϼģȡ߼˷ѣÿͷʽȡͷҲͬ˷Ѽ߼˷=˷+˷ʽͣ1ʵأKG=Ʒ2أKG=Ʒ(CM)*(CM)*ߣCM/ϵ һַӳܶȵļķʽ͡

һ֧̣һ֧ʽЩ֧1ѡڶʹʱѡֽPOSˢ֧Ʊʽ֧ͨAPPֻͻ ɨɨɨϵĶ뷽ʽֻɶ֧ɨ֧ɲ鿴˵2֧ѡ֧롰ҵĶʾвĿǰ֧֧ҵɡ

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