PhysChemTutor's answer to Pooh pooh bear's Secondary 3 A Maths Singapore question.

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PhysChemTutor
Physchemtutor's answer
1551 answers (A Helpful Person)
Pooh pooh bear
Pooh Pooh Bear
3 years ago
Really appreciate the effort in helping .Finally I understand it .Thk
PhysChemTutor
PhysChemTutor
3 years ago
Understand?
Pooh pooh bear
Pooh Pooh Bear
3 years ago
Yup