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Napier's Bones
Autor:
Roy Wright
Tema:
Aritmética
,
Multiplicación
This is a quick demonstration of how "Napier's bones" work for multiplication of a large number (up to nine digits in this demo) by a one-digit number. A description and explanation of "Napier's bones" can be found on
Wikipedia
.
GeoGebra
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Weighing Scales (g): Practice
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seo tool
Erdős's problem #503, n=3
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Radians, Number Line and the Unit Circle
Figure 10.6 Industry Demand
Interactive standard normal distribution的副本
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Intersección
Mediana
Operaciones Aritméticas
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Raíz