File:Addition-Subtraction Strip Board 1.jpg
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Addition-Subtraction_Strip_Board_1.jpg (305 × 340 pixels, file size: 14 KB, MIME type: image/jpeg)
Addition/Subtraction Strip Board
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:23, 27 October 2008 | 305 × 340 (14 KB) | Rosalia (talk | contribs) | Addition/Subtraction Strip Board |
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