Mathematics
Senior High
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(4)の答えを教えてください
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25
練習
40
次の2次不等式を解け。
(1) x²-3x+5>0
(3) 2x²+3x+3<0
(5) x+6≤ x²
(2)x2+x-1≥0
(4) 3x²-2√3x+1≤0
(6) x2-3x+2>2x²-x
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