File:Using-an-Abacus-01.png
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Using-an-Abacus-01.png (712 × 523 pixels, file size: 25 KB, MIME type: image/png)
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Summary
| Description |
English: In the image above, four counters of value one represent the number 4 (left-a), after attaching another three counters (left-b) that represent the number 3 we have a representation of the number 7 (left-c); that is, the sum 4 + 3. Similarly, starting from the representation of the number 7 (right-a) and eliminating a set of counters that represent the number 4 (right-b), what remains on the table represent three or the result of the subtraction: 7-4 (right-c). |
| Date | |
| Source | Own work |
| Author | Jccsvq |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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- to share – to copy, distribute and transmit the work
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:31, 19 September 2021 | | 712 × 523 (25 KB) | Jccsvq | Added a blank line that was missing below |
| 05:12, 14 September 2021 |  | 708 × 517 (25 KB) | Jccsvq | Uploaded own work with UploadWizard |
File usage
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