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junior college 2 | H2 Maths
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Izah
Izah

junior college 2 chevron_right H2 Maths chevron_right Singapore

pls help

Date Posted: 1 month ago
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Adrian Yeo
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6 answers (Tutor Details)
1st
This is a useful method to fully understand p&c. Find number of options for each of the 5 digits. For part iv , i selected option for the last digit first before continuing with the choosing