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2.2.2.2 常见奇偶函数的速算(一轮) ​

笔记 ​

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tip 补充

  • 关于 第 2 点,如果 f(x) 为奇函数,不仅 -f(x) 为奇函数,-f(ax)(a ≠0) 也为奇函数。相当于只是 x 轴伸缩变换,并不改变奇偶性

例题 ​

11 ​

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12 ​

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13 ​

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14 ​

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15 ​

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16 ​

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17 ​

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18 ​

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19 ​

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20 ​

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21 ​

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22 ​

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