Mathematics
Senior High
このふたつの共通範囲を教えてください
-2≦x<1 x < -2
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1
Mathematics
Senior High
どっちでも正解ですか
6+25 2(3+) 3
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1
Mathematics
Senior High
途中式と答え教えて欲しいです
(4) (ac+bd)2-(ad+bc)2 → p.17, 19, 20
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1