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ʥȪѰ ڶʮһ Ϯ 2(1/2)
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    ·Ϊӡ֤ҵƲ⣬Цһ£һָ߾ٽ𸫣һֳҵ£ƳҵһиֳһƬպ죬ȥεĴ䡣

    Ī˰ƺƴļҪжɲ˼죬оɳǰҪٹ˽һѣýȡҵĸйߡ

    ȻҪǾ͵ùЩ溺ӣԵɴ˫ֱıС룬ǽ𸫿һ룬ӲͣؿϣҲûͷһ˿ҵ֣λӡڰֵתԣҺһʲô컯ڲ֪ͭƤǣȻзĽ𸫴ݲ֣

    ƨҲ֪ǺߣҪһʲôУξֱȥϺˡǰߣλǰһӻ޲ýҳƤΪʲô˲ı⣬ɱأ

    ҵؿڿ˺һӣһͨҹȥߺšŷŷͣؿͷҰһѧģϵĤкƣͷԼؿڿȥDzڰҿһʲôġؿڿյģûһëҲûһ⡣ΨǰڲһһεذڶܲЩҰ˻ϵУξĻѵǶӽʬĺ

    ǰûرĶҪ˵ǺȻҵӢ۷ĻҲδЩס̧ͷңг˿־;ηԭһߵĴʯ£ҲͻתŪɶͷԡŤŤޱȽʵҺϺDZô£¿յôſˣ

    ҿЦֵҲûף֪⳪һ

    㵹ǸһȰǷ˵£

    ԼڰУǹھľǰʹһֵ̿ؿһ̴ۣӵͷȥΪҽ⿪һأǸһţݺݵƨϡŴж𸫿첽ߵʯ±߸ӡۻ˰󡣿Īһֱ󣬹űع

    ˦һ󣺡Ϻʲôʱŵޣôһ

    ҽ˵ǧԩְֹ֪ݵô£ȡӣҵĿµö

    ӰŰɵؽӹȥܹɣҰֲǴɽױģʲôüɻģ

    һʹҺοһֱۣ˸۴ǵȡ˻һŵĿĪҰŪûڡĹ֮󣬺ܿ϶˵ͬƹĿĪ˶Ĥݵľö봫˵еУξһʲôϵ

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