Huang Huilin's answer to Suhayl Bin Sanwan's Primary 5 Maths question.

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Huang Huilin
Huang Huilin's answer
21 answers (Tutor Details)
1st
To save time, for the second decimal digit, you do not need to calculate to the exact figure, as long as it is not 5 or more, round down. if not round up.