正好
added Category:319 應用數學；機率 using HotCat
21:22
+40
创建页面，内容为“{| class="https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%A6%82%E7%8E%87%E5%88%86%E5%B8%83&step_word=&hs=0&pn=12&spn=0&di=7084067677328637953&p…”
21:21
+3,939