File:Challenge Apple.png
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Size of this preview: 800 × 237 pixels. Other resolutions: 320 × 95 pixels | 640 × 189 pixels | 1,024 × 303 pixels | 2,769 × 819 pixels.
Original file (2,769 × 819 pixels, file size: 1.29 MB, MIME type: image/png)
Image Summary
Summary[edit | edit source]
Description |
This picture illustrates questions of appropriate difficulties can challege students. |
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Source |
my own |
Date |
2012-04-03 |
Author | |
Permission (Reusing this file) |
See below.
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Licensing[edit | edit source]
I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide. If this is not legally possible:
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:48, 9 October 2012 | 2,769 × 819 (1.29 MB) | Zhaomeng (discuss | contribs) | Image Summary {{Information |Description=This picture illustrates questions of appropriate difficulties can challege students. |Source=my own |Date=2012-04-03 |Author=Mengyuan Zhao(Zhaomeng (talk)Zhaomeng) |Pe... |
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