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22.1.3二次函数y=a(xh)2+k的图象和性质第2课时二次函数y=a(x-h)2的图象和性质1一、问题导入二次函数y=ax²-2的图象可以由函数y=ax²的图象向下平移得到,那么函数的图象是否可以由函数的图象经过平移而得到呢?21(2)2yx212yx2...
时间:2024-04-15 03:15栏目:教案课件
1.It’sbecomingbiggerandbigger.2.Sheismoreandmorebeautiful.3.Thehigheritflies,thesmalleritappears.1Degreesofcomparison22A:Whichofthesestructuresisusedtosaythatsomethingischanging?B:Whichofthesestructuresisusedtosaythatthingschange/arechangingtogether?C:Whichstructurerepeatsthesameadjectives/adverbs...
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