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𣿡ʵʵʲôħģһϵûУǼȻС࣬Ѿ⾝ˡ

ϣԽԽásinĻش˵

أ突Ȼ֪ôģΪ突Ȼʶ漴ֶҰٰĺãھȻĪijҵ⽗ףһ˵ij֣DZʲôԭֻҪ֪ģһб㶼һ˼ġˡ˼һ۱能看ġ

ңdzΪְ֮ǰ֮ҶֻҪֺ‮ȫ‬Ļشҵ⣬突ȻתЦ˵‮ȫ‬һ㣬ֻҪ㲻ˣӦȫԱ֤ġ

ˣȥһ£ҿɲ봩⾝Уȥ˵վ⾝¥ȥˣлڲͣػζղǶ̶̵ļ仰

һҾѾ⾐⾊ij񣬃һ⾝⾊Сȹȹ˫ϥ‮˿‬䣬Ļһ˫⾊ԲͷСѥױÿʱ⾐νϼӺڣҴ⾝߷ԾҲ˷κβԡ

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ˣsinǻشʵ

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ʲô˶Уʲô¶ܷsin̾˵վ⾝ߵ⾝ԡ

үҪȥС۲ʲôʵ

ǰҺ;Ҫȥһܲsinǵ

ܲҲȥǸĴָҲŵʡ

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ү˵䡣Сۼҵ⾊ԽԽѿæֹ

ˣ˵ھߡsin˵

үǴôȥϳ突Ȼʵ

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үԿסϳ´⾐ڴͳݸsinһԵĸsin⾝ȥȥˡһѾ뿪˱ֵǣһֱֵĴϴţѵ˵ܲҲǴ

Сʲôڳʵ

ʵСʱһֱɱԱsinƽĻش

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ǾСһܰô˵

㻹֪ж󰡣̶̵ļʮѾɱʮԱлһϰϡ׸񡣡˵׸ֵʱsinг䜺ϧ֮飬ϰϲһһٶ꣬ٻеġ

϶ɱ˲ˣ˵һߵĿȴͬ͸Ϣɱ

ʵҴӸղžһֱ㣬ΪʲôôSĴӦȥܲsin突Ȼת仰ʵҲܲҸղŻɱɣ

ΪղᵽСࡣһش˵

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أҷʵ

ѵԕM⾎е֮֯һûһ𣿡sin˵ţתЦЦ

ҿһ‮Ȥ‬ûУҵǶǵǸЩ档ǰУҲ˵ֻεЦЦش

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