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- 10,085 Simon Chan
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- LNumMath
- Windows Alkalmazások: Oktatás Által: John Marshall
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- Listák: 0 + 1 Rangsorolások: 0 Vélemények: 0
- Pontok: 1 + 0 Változat: PC At my daughter's school the children were encouraged to do multiplication and division with large numbers on large pieces of paper. The process could take several hours and, ... ⥯