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Section 1
Q1
![](https://www.kitakaze.space/wp-content/uploads/2019/08/EJU-Math-Course-2-2017-2-1-1-Solution-e1567069312957-768x1024.jpg)
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あくまで参考程度でお使いください。もし何か間違いや他の解答例がありましたら、こちらからお知らせ頂けるとありがたいです。
Please use it as a just reference. Some of them could be wrong. Please let me know here if you find any my mistake or better solutions. Thank you.
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