Calculate Mathematics GIF

a girl is standing in front of a blackboard in a classroom and looking at it .
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內容說明: a girl is standing in front of a blackboard in a classroom and looking at it .
檔案大小: 38304KB
時間長度: 19.700 sec
維度: 498x457
建立時間: 4/7/2020, 6:10:50 PM