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是說明不論m為何值時,關(guān)于x的方程(x-3)(x-2)=m總有兩個不相等的實數(shù)根.
是說明不論m為何值時,關(guān)于x的方程(x-3)(x-2)=m總有兩個不相等的實數(shù)根.
數(shù)學(xué)人氣:202 ℃時間:2020-05-21 21:43:00
優(yōu)質(zhì)解答
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