Mathematics
Junior High
Resolved
(4)〜(6)教えてください
3) ar²-12ax+27a
5) (a+26)²+a+26-2
〔京都〕
(4) (x+3)(x-5)+2(x+3)
〔大阪〕 (6)(x+1)(x+4)-2(2x+3)
〔千葉〕
[愛知]
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