IMO training 2020
Geometry lesson 4
Power of a point, radical axis, radical centre
雖然成日聽,但係要運用到出來,都真係幾考功夫🐼🐼
今年額外多咗2條題目🤤
1. PCIMC 高級組 Q20
2. 唔知邊度嘅題目😅
幾有趣吖,不過最有趣嘅係一點都可以係一個circle🤯 point circle😊(雖然舊年都講過不過做題嘅時候點諗到先得㗎……)
總結:幾何要有sense,冇sense就放棄佢啦😊捨難取“易”🙄
有時有啲嘢人哋一眼就睇到,自己望住佢望到嘔都未睇到……就好似我對住CGMO第一題條geom咁💩
冇辦法 資質問題 想要都冇得你要😊
Date: 08/08/2020
IMO training 2020
Geometry lesson 3
Introduction to circles and problems related to circles
教嘅嘢真係同CGMO差唔多,係啲例題唔同咋
咁始終兩父女都教幾何用同一份notes改少少就做新一份都好正常嘅😂😂😂
最後嘅挑戰題原來係加parallelogram😂
都算係識多咗啲幾何知識😂
Date: 06/08/2020