高一数学(不等联系与不等式).ppt
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不等关系与不等式
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研读教材P72-P73
1.什么叫不等式?
2.两数进行大小比较的理论依据是什么?
3.你能想到哪些方法对实数进行大小比较?
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实数比大小的常用方法:
比较法
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例1.
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例3.
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例4.
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拓展1.
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拓展2.
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