Boy Mow Chau's answer to Elaine's Junior College 1 H2 Maths Singapore question.
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when unsure of method of calculation …
test the method with a smaller problem of more manageable size.
list out all the possible arrangements for the smaller problem.
if no. of possible arrangements matches calculated answer, then method most likely is correct.
apply same method to the larger problem.
test the method with a smaller problem of more manageable size.
list out all the possible arrangements for the smaller problem.
if no. of possible arrangements matches calculated answer, then method most likely is correct.
apply same method to the larger problem.
Date Posted:
4 years ago
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