File:Subtracting 123456789 from 246913578 in left-to-right order - Step 1.jpg

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English: In this exercise I'm showing how to compute 246913578 minus 123456789 = 123456789 on the giant Soda Hall abacus. I subtract in left-to-right order, first subtracting 1 in the leftmost column, then 2 in the next column to the right, etc.

In this series, I am not present - this makes it less obvious what was changed, but does not occlude the abacus.

CC0 waiver: To the extent possible under law, I waive all copyright and related or neighboring rights to this work.
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Source https://www.flickr.com/photos/29507259@N02/6773897095/
Author D Coetzee
Camera location37° 52′ 32.64″ N, 122° 15′ 31.1″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

This image was originally posted to Flickr by D Coetzee at https://flickr.com/photos/29507259@N02/6773897095. It was reviewed on 26 December 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero.

26 December 2020

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current02:32, 26 December 2020Thumbnail for version as of 02:32, 26 December 20201,832 × 2,748 (1,019 KB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by D Coetzee from https://www.flickr.com/photos/29507259@N02/6773897095/ with UploadWizard

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