Eng Jun Jie's answer to b's Secondary 2 Maths Singapore question.

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Eng Jun Jie
Eng Jun Jie's answer
143 answers (Tutor Details)
When you see such questions, think of a number that's easy to evaluate. For example for 999^2,999 is hard to evaluate, however 999=1000-1.1000 and 1 are easy numbers that you can evaluate.