Boy Mow Chau's answer to V's Junior College 1 H2 Maths Singapore question.

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Boy Mow Chau
Boy Mow Chau's answer
317 answers (Tutor Details)
1st
for (iii), the question wording is a bit unclear, but it is more likely to mean ALL 6 letters must be separate, because the alternative meaning is very challenging to calculate.