கணிதமும் நுண்ணறிவும் (செயலட்டை - 14)

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  1. First of all thanks for sharing all the study materials content which will be helpful for students in this distress time of Covid.
    prerna up in is a great initiative of state government of Uttar Pradesh which has a goal to improve results of students in 1.6M schools via enhancing the learning capacity of students by providing them study material in digital format.

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