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2015-11-03T18:23:24+05:30

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Beacause to make children to understand the topic for this year and next year also
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2015-11-03T18:24:26+05:30

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There is no reason for having 20 or 22 lessons. You have to learn certain things in 1 year and it is given in the book in many chapters. It is not always 20 or 22. Sometimes it is 14 or 15 but the every chapter is very lengthy.
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