| e |
| x |
| e |
| x |
| f(x1)+f(x2) |
| 2 |
| x1+x2 |
| 2 |
| e |
| x |
| e |
| x |
| e |
| x |
| f(x1)+f(x2) |
| 2 |
ex1+
| ||||
| 2 |
ex1+ex2+
| ||||
| 2 |
| x1+x2 |
| 2 |
| x1+x2 |
| 2 |
| e | ||
|
| x1+x2 |
| 2 |
| x1+x2 |
| 2 |
| 2e |
| x1+x2 |
| x1+x2 |
| 2 |
| f(x1)+f(x2) |
| 2 |
| x1+x2 |
| 2 |
ex1+ex2+
| ||||
| 2 |
| x1+x2 |
| 2 |
| 2e |
| x1+x2 |
| x1+x2 |
| 2 |
| ex1+ex2 |
| 2 |
| x1+x2 |
| 2 |
| ||||
| 2 |
| 2e |
| x1+x2 |
| x1+x2 |
| 2 |
| ln(x1x2) |
| 2 |
ex1+ex2-2
| ||
| 2 |
| (x1+x2)e |
| 2x1x2 |
| 2e |
| x1+x2 |
| x1+x2 |
| 2 |
| x1x2 |
ex1+ex2-2
| ||
| 2 |
| (x1+x2)2-4x1x2 |
| 2x1x2(x1+x2) |
| x1+x2 |
| 2 |
| x1x2 |
(
| ||||
| 2 |
| (x1-x2)2 |
| 2x1x2(x1+x2) |
| x1+x2 |
| 2 |
| x1x2 |
| x1+x2 |
| 2 |
| x1x2 |
(
| ||||
| 2 |
| x1+x2 |
| 2 |
| x1x2 |
| x1+x2 |
| 2 |
| x1x2 |
| f(x1)+f(x2) |
| 2 |
| x1+x2 |
| 2 |
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科目:高中數(shù)學 來源: 題型:
A、y=-
| ||
| B、y=ln(x+2) | ||
| C、y=2-x | ||
D、y=x+
|
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