Please help me with these 2 questions. Thank you very much:)

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secondary 3 | A Maths
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secondary 3 A Maths

Please help me with these 2 questions. Thank you very much:)

Date Posted: 7 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Date Posted: 7 years ago

Wen

7 years ago

Thank you very much!