视频地址:
https://www.bilibili.com/video/BV17x411x7hL?p=11
https://www.bilibili.com/video/BV17x411x7hL?p=12
第1题:https://www.101weiqi.com/q/20478/
第2题:https://www.101weiqi.com/q/2074/
第3题:https://www.101weiqi.com/q/20474/

方天丰讲解。
视频地址:
https://www.bilibili.com/video/BV17x411x7hL?p=11
https://www.bilibili.com/video/BV17x411x7hL?p=12
第1题:https://www.101weiqi.com/q/20478/
第2题:https://www.101weiqi.com/q/2074/
第3题:https://www.101weiqi.com/q/20474/