Arnold K H Tan's answer to Pooh pooh bear's Secondary 4 A Maths Singapore question.
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Author of several O-level Science guide books (my profile pic). My forte is tutoring O-level sciences (Chemistry, Physics, Biology). Telegram Messenger: @ChillXsg Note that only my tuition students have the privilege to direct message questions, to clarify.
Date Posted:
2 years ago
Thank a lot
Welcome
Can help in part b too ,thk
Click to open the picture.. part b is posted in my original answer...
Thank a lot
Thank
Np and welcome
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