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  5. (8)〜(10)がわかりません
Mathematics
Senior High
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(8)〜(10)がわかりません

(8) 4x²-7x-15<0 4 (9) 121≥x² ☐ (10) 2x²+3x+2≧0 □19
２次不等式

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✨ Best Answer ✨

りー
りー

なんか違ってたら教えてください

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ありがとうございます！！

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