1. 96， 2. a^2(2 + √2)/4
所跟帖: 脝陆脮媒 : 脛鲁脢隆驴录脤芒拢禄 2023-06-17 02:50:27
陆芒脪禄陆芒2023-06-17 14:10:32 [点击:1351]
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r 潞脥 a 碌脛鹿脴脧碌脪虏驴脡脫脡脧脿脣脝脠媒陆脟脨脦碌脙碌陆脠莽脧脗拢潞 NABC60 [179 b] 2023-06-23 00:02:27 [点击: 1282] (1463203)D 脦陋BC 脰脨碌茫驴脡脰陇脠莽脧脗拢潞 NABC60 [180 b] 2023-06-18 05:16:39 [点击: 1492] (1463177)
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