File:二次函数图像 a小于0 c不为0.png
Summary
| Description |
中文（简体）：二次函数图像 a小于0 c不为0 |
| Date | |
| Source | Own work |
| Author | Meteor 50829 |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
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