先证明“小数和差定理 (Theorem of sum and difference of decimals)” 设 {A}, {B}, {C}为三个任意纯小数 (pure decimals), 1> {A}, {B}, {C}≥ 0, 则 [{A}+ {B}− {C}] ≥ 0, 考虑极端情况,设 {A} = {B} = 0 ,以及 1> {C}> 0 时, - 10...
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pure circulating decimal [数] 纯循环小数
pure recurring decimal [数] 纯循环小数
pure repeating decimal 纯循环小数
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