Arnold K H Tan's answer to Javier's Secondary 4 E Maths Singapore question.
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![Arnold K H Tan](https://manytutors.s3.ap-southeast-1.amazonaws.com/users/thumbnail-XFdUwuCTIMxoSX1TmzJ25N0fpObIZMvHPt1t7XdO.jpeg)
Plspost a clear pic...
Date Posted:
1 year ago