【摘要】第二章實(shí)數(shù)7二次根式第1課時(shí)二次根式及化簡(jiǎn)第二章實(shí)數(shù)A知識(shí)要點(diǎn)分類練B規(guī)律方法綜合練C拓廣探究創(chuàng)新練A知識(shí)要點(diǎn)分類練第1課時(shí)二次根式及化簡(jiǎn)知識(shí)點(diǎn)1二次根式的概念1.下列各式中,屬于二次根式的是()A.-3
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【摘要】第二章實(shí)數(shù)用計(jì)算器開(kāi)方◎新知梳理1.利用科學(xué)計(jì)算器進(jìn)行開(kāi)方運(yùn)算要用到鍵_______和鍵_______.2.對(duì)于開(kāi)平方運(yùn)算,按鍵順序?yàn)椋篲______被開(kāi)方數(shù)_______;對(duì)于開(kāi)立方運(yùn)算,按鍵順序?yàn)椋篲______被開(kāi)方數(shù)_______.3==
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