Mr Ang's answer to yb ʕ •ᴥ•ʔ's Secondary 4 E Maths Singapore question.

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Mr Ang
Mr Ang's answer
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1st
Kindly verify the workings eh, thanks.
yb ʕ •ᴥ•ʔ
Yb ʕ •ᴥ•ʔ
4 years ago
should be correct based on what I've learnt previously, thank you :>