【全pornhub最大華人微積分教學頻道】【張旭微積分】積分前篇重點五：微積分基本定理 I｜觀念講解｜2020版
added: 2020-12-03
#sfw #teaching #math #chinese #class #education #Verified Amateurs #SFW #b1gbroddie #Brazzers_Network
04:01
04:46
20:35
12:29
03:24
07:27
00:12
11:30
10:47
13:36
04:01(mh=upBvz7Zee8eNLa-S)2.jpg)
(mh=3bov1upVzVk94Kqf)2.jpg)
(mh=U1OgYUnUpUFGMOLg)2.jpg)
(mh=7ixQofdjd-PwGtz9)9.jpg)
(mh=pFG4clSa2vgkwTQN)3.jpg)
(mh=5X3XNY8r6938q16Z)12.jpg)
00:12(mh=FCUipwca34A2wfSh)7.jpg)
(mh=moWjuZXJ2E3_m23J)8.jpg)
(mh=bXqbSIZh1nyJY24R)4.jpg)
