Ruth Sin's answer to Laraine's Primary 5 Maths Percentage Singapore question.
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(a) 87 minus 1 because the 1st figure is only made up of 2 shapes. (b) is just working backwards. Take away 2 from the first figure so that we can divide the rest by 3. After that add back the 1 for the first figure.
Date Posted:
4 years ago
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