123
123
123
123
123
123
123
123
123
123
123
123
* 123
> > > > > > > > > > 123
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123 123 123 123 123 123
123[1]
123123123
123123(123)=(123123)\frac{123}{123(123)} = \binom{123}{123} 123(123)123 =(123123 )
123
123123
123123123
123\color{red}{\boxed{123}}123
123\color{orange}{\boxed{123}}123
123\color{yellow}{\boxed{123}}123
123\color{green}{\boxed{123}}123
123\color{skyblue}{\boxed{123}}123
123\color{blue}{\boxed{123}}123
123\color{purple}{\boxed{123}}123
123\boxed{123}123
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1. 123 ↩︎