Mathematics
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(3)を教えてください!

次の等式、不等式を満たすxの値またはxの値の範囲を求めよ。 (2)|x|<1 (1) |x|=4 (3)|x|≧1

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数直線書くとわかりやすいです。暗記してもいいですが考え方はこうです。

いね

ありがとうございます!!

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