Chrome，
QQ浏览器
.
![[基础]高中数学必修第二册 10.1.1 有限样本空间与随机事件](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F9f7e3f4a456cb95bd148b9f77461779154ee2466.jpg%40672w_378h_1c_%21web-search-common-cover)
![[基础]高中数学必修第二册 10.3频率与概率](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2Faf1325f98eb69a80c5456e076241056c78880730.jpg%40672w_378h_1c_%21web-search-common-cover)
![[基础]高中数学必修第二册 9.1随机抽样](http://imgshow.1ydt.com/img?url=%2F%2Fi0.hdslb.com%2Fbfs%2Farchive%2F0773418eb939d33e1b970b14560ebdbf92e55cf9.jpg%40672w_378h_1c_%21web-search-common-cover)
![[基础]高中数学必修第二册 10.2事件的相互独立性](http://imgshow.1ydt.com/img?url=%2F%2Fi2.hdslb.com%2Fbfs%2Farchive%2F7393e380916251d3a2bc71e845e29d95ff69c4d9.jpg%40672w_378h_1c_%21web-search-common-cover)
.