stevessr (@stevessr) 在 Google doodle | 2025/09/10 | 精妙的二次方程式 | 纯水 中发帖
https://g.co/doodle/kvm45n2?kgs=98d4a6fe62d5c3c2
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https://g.co/doodle/kvm45n2?kgs=98d4a6fe62d5c3c2
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