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❤💘唬克熊WHO K BEAR
動動腦~~ 4這個數可以寫成這7種方式的自然數之和, 4 =1+3 =3+1 =2+2 =1+1+2 =1+2+1 =2+1+1 =1+1+1+1, 請問10可以有幾種方式寫成像上述的自然數之和??
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鬼神將
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❤💘唬克熊WHO K BEAR
鬼神將
:
鬼神哥要試一下??
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傻眼
7種
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❤💘唬克熊WHO K BEAR
傻眼
: 笨~~~~~~~~~~~~~~蛋~~~~~~~~~~~來~~~~~~~~~~~瘋~~~~~~~~~~~~~
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傻眼
9種嗎
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傻眼
H酸應該會氣死 數字哥要在猜嗎
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Steve Hsiao
511種
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鬼神將
用猜的99嗎?
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鬼神將
Steve Hsiao
: 551…有公式好算吧?
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Steve Hsiao
鬼神將
: 我只是發現 2 有1種, 3 有3種, 4有7種, 就亂猜了
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鬼神將
Steve Hsiao
:
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Steve Hsiao
鬼神將
: 試著算出5這數的組合...15
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Steve Hsiao
1,3, 7, 15 <=很有規律
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❤💘唬克熊WHO K BEAR
Steve Hsiao
:
Steve 好厲害ㄛ~~~
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❤💘唬克熊WHO K BEAR
傻眼
: 笨~~~~~~~~~~~~~~蛋~~~~~~~~~~~來~~~~~~~~~~~瘋~~~~~~~~~~~~~
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傻眼
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