Mathematics
Senior High
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163の(2)の解き方が分かりません。
わかる方教えて頂きたいです🙇♀️
6 次の不等式の表す領域を図示世ま ら琴p.996
*(1) (ーー1)7十(⑦寺8)?名9 *(2) x2十y?十4z一2yッ>0
(3) >2二の側る2 (4) *2十(ッー1)? く4
*(5) x?エター2y30 (6) z%キアー6x一2ッ+1主0
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