Kinson Gan's answer to Skr's Secondary 3 E Maths Singapore question.
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In these types of questions, try to use part (a). Hence, with answers from part (a), find a pattern in the last digit of the product of each index. Even if it looks hard to do, just try and refer to first part of question, don't give up!
Date Posted:
5 years ago
ohhh！ thankyou！
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