做题啦，做题啦，求大阴影面积与小阴影面积之差！

来源: 进进出出250 于 2025-04-26 16:11:51 [旧帖] [给我悄悄话] 本文已被阅读：次

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做题啦， 做题啦，求大阴影面积与小阴影面积之差！