Understanding place value when subtracting - See Pinned Comment.
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Опубликован в 29 Nov 2024 / В
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The above example is one of the ways and means of configuring the calculations.
This is an excellent site to learn or relearn pretty much all subjects:
https://www.khanacademy.org/
https://www.khanacademy.org/math/
https://www.khanacademy.org/math/arithmetic/