TAN ZHI HONG's answer to Zhikai's Secondary 4 E Maths question.

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TAN ZHI HONG
Tan Zhi Hong's answer
11 answers (A Helpful Person)
1st
Hello, not sure if my answer is correct, pls check against the solution, if there’s any.
Zhikai
Zhikai
6 years ago
No worries i get the idea already thx and it should be correct