Pls help to solve 3c , thk

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secondary 3 | A Maths
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secondary 3 A Maths Singapore

Pls help to solve 3c , thk

Date Posted: 3 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Date Posted: 3 years ago

Pooh Pooh Bear

3 years ago

Thank