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Mathematics, 07.07.2019 18:00 chaaaa

Plz i don’t understand and this question is worth 23 points that’s how much i need to know how to do this and i need to know that answer plz tell me the answer i know how to do this but my answer was 1 and ik that’s not right plz


Plzzzzz i don’t understand and this question is worth 23 points that’s how much i need to know how

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Plz i don’t understand and this question is worth 23 points that’s how much i need to know how to d...
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