tried a 2 methods but failed to get the correct answer. please explain.

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Secondary 1 | Maths
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Secondary 1 Maths

tried a 2 methods but failed to get the correct answer. please explain.

Date Posted: 6 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Hope it helps.

Date Posted: 6 years ago