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2020ɽ????ʦ??Ƹ???ԣ??????????????롰??ء??????ı???

2020-05-06 14:06:44

Ϊ?˴???ܹ????õ????籸??ɽ????ʦ??Ƹ???ԣ?ɽ????ʦ??????С??????????ɽ????ʦ??Ƹ????????ѧ?????????????????Ҵ???“2020ɽ????ʦ??Ƹ???ԣ?“????”??????“???”?????ı???”??Ԥף??ҿ??Գɹ?!

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???磬??ѧ??ͨ??һ??ֱ????????(a1)???????????(a2)???۽???????(a3)?͵ȱ???????(a4)??ѧϰ????֪??Щ???????ڽǺ͵???180°(A)??Ҫѧϰ???¹?????“?????????ε??ڽǺ?Ϊ180°”????һ?µ????ⱻ???ϵ?ԭ????֪?ṹ?У?ѧ?????????????⡣???????ԭ?еĹ???ֻ??֤ʵ???ã???ȫ???Դ?ԭ?еĹ???????????????

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??????1??ѧ?????Ѿ߱?“???鶯??”֪ʶ?Ļ????ϣ?????ѧϰ“????һ?ֲ??鶯??”??֪ʶ??????ѧϰ????( )??

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??????3????ͯ??֪“ƽ???ı???”??һ????????壬??ô??赢家彩票APP????ͨ??“????????????һ??????ƽ???ı???”??һ???????綨???Ρ???????????£?ͨ????“ƽ???ı???”?????޶?????????“????”??һ???( )

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