Yeung sir, may I have the answer. Because the epidemic is getting worse, so I think the exercise at school is not enough for Dse,I want to do more practice and find your stuff is very useful. Thanks a lot 回應
一直以來，本人免費電郵同學/家長發出題解，希望鼓勵同學有心完成各練習，過往也得到很多人的支持。然而由於太多人希望索取答案，本人實在沒時間逐一回覆，對有需要的同學/家長感到很抱歉。現在以$3每個課題出售答案，此措施也希望能補助網站的營運。有興趣的請whatsapp 聯絡楊sir 97807453。多謝各位！ 回應
mathspercyyeung 
May I have the ans please
答案只提供比我自己的學生，但如果你有心完成練習，也可把你完成的練習send 比我，我也可給你答案的。Email: percyyeung81@yahoo.com
請問有冇關於quadratic equations 嘅練習？
https://mathspercyyeung.com/數學練習/中四/
Yeung sir, may I have the answer. Because the epidemic is getting worse, so I think the exercise at school is not enough for Dse,I want to do more practice and find your stuff is very useful. Thanks a lot
一直以來，本人免費電郵同學/家長發出題解，希望鼓勵同學有心完成各練習，過往也得到很多人的支持。然而由於太多人希望索取答案，本人實在沒時間逐一回覆，對有需要的同學/家長感到很抱歉。現在以$3每個課題出售答案，此措施也希望能補助網站的營運。有興趣的請whatsapp 聯絡楊sir 97807453。多謝各位！