數字 和 因數 - 拼圖

By Christine
at 2009-03-14T14:29
at 2009-03-14T14:29
Table of Contents
用0~9十個數字填入
□□ □□ □□ □□ □□
使得這五個數字相乘的結果
因數的數量最多
例如
90 81 72 63 54 => 336個
--
┌╥─────────bicentric──┐
┌tangential───kite─┬─rhombus───┤
┌complex │ ║ ┌parallelogram┐ │
quadri- ┤ ┌convex ┼trapezium(T) ┼right-angledT┼rectangle┼square
lateral└simple┤ │ ║ │ ┌──┘ │
└concave└cyclic╨─isoscelesT─┴3-sides-equal T┘
--
□□ □□ □□ □□ □□
使得這五個數字相乘的結果
因數的數量最多
例如
90 81 72 63 54 => 336個
--
┌╥─────────bicentric──┐
┌tangential───kite─┬─rhombus───┤
┌complex │ ║ ┌parallelogram┐ │
quadri- ┤ ┌convex ┼trapezium(T) ┼right-angledT┼rectangle┼square
lateral└simple┤ │ ║ │ ┌──┘ │
└concave└cyclic╨─isoscelesT─┴3-sides-equal T┘
--
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拼圖
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at 2009-03-18T10:04

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at 2009-03-18T22:59
at 2009-03-18T22:59
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