Yang li shuang's answer to Eleanor's Primary 4 Maths Singapore question.
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Any number that can be divided by 9 is in the 9 timestable. So, since the number can be divided by 9 and have a remainder of 5, this shows that the number is in the 9 timestable + 5. We use the 11 timestable because of the same reason as well. Hope this helps! Do contact me at 9620 6785 if you require tuition services!
Date Posted:
2 years ago
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