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ܡѡСʱϡʶӪƷƷǩ֮15ڣǩմʱ㣩ƷʴʣɵָĹ֤Ʒм⣬ƷҳƷǩ򲻷ϹǿƱ׼Ʒʵ֧ı̡ͻύ롪ͷ롪ͻָ⡪ͻṩ֤

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