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悠闲数学娱乐论坛(第3版)
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悠闲数学娱乐论坛(第3版)
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接地气的几何并不一定会比抽象的代数好,但可以练思维
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[不等式]
接地气的几何并不一定会比抽象的代数好,但可以练思维
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Post time 2015-5-28 21:05
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Post time 2015-5-28 21:19
用不等式知识解决最大值或最小值问题时可以说是绝对靠得住;然而在解决值域问题时,对于中间那些值是否都能取到,有时会显得并不那么可靠。
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悠闲数学娱乐论坛(第3版)
2025-3-6 11:23 GMT+8
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