David Ng's answer to Sophia's Secondary 3 A Maths question.

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David Ng
David Ng's answer
1 answers (A Helpful Person)
All the best to you. I am a full time tutor. I scored 93 marks for my A maths then in Sec 3 from a good school and one of my students scored full marks recently for his A maths class test. You may contact me at 97951295 for more details.