Mathematics
Senior High
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教えてください🙇
お願いします

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✨ Best Answer ✨

絶対値の定義

  ⎧a(a≧0)
|a|=⎨
  ⎩-a(a<0)

    ⎧x+4(x≧-4)
|x+4|=⎨
    ⎩-(x+4)(x<-4)

⭐️ありす⭐️

解けました!
ありがとうございます🙇‍♀️

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