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發表 J+W 於 星期二 五月 29, 2007 2:53 pm

我是將其視為樹狀圖的收摺變形

算式和 ☆ ~ 幻 星 ~ ☆ 是一樣的

只是 我好像數到第5年時

就已經呼呼大睡了

真實人數並沒有那麼多

Re: [數學]學生幾何?

發表 guevara4900 於 星期一 五月 28, 2007 7:17 pm

J+W 寫到:昨晚天氣悶熱,我翻來覆去,總是睡不著。所以我開始數數。<br /><br />數的是自2001年開始教書以來,我到底教過幾個學生了。<br /><br />底下是一個由STUDENTS所構成的菱形塔陣,<br /><br />這些英文單字中,只要能連線拼出STUDENTS的就代表有一個學生<br /><br />而連線方式只能連水平或連垂直,不可以連斜線。<br /><br />請問這7年來,我教過多少個學生?#ed_op#br#ed_cl##ed_op#br#ed_cl##ed_op#br#ed_cl#         #ed_op#span style="color: rgb(0, 0, 0);"#ed_cl#1#ed_op#/span#ed_cl##ed_op#br style="color: rgb(0, 0, 0);"#ed_cl##ed_op#span style="color: rgb(0, 0, 0);"#ed_cl#        131#ed_op#/span#ed_cl##ed_op#br style="color: rgb(0, 0, 0);"#ed_cl##ed_op#span style="color: rgb(0, 0, 0);"#ed_cl#       12721#ed_op#/span#ed_cl##ed_op#br style="color: rgb(0, 0, 0);"#ed_cl##ed_op#span style="color: rgb(0, 0, 0);"#ed_cl#      124#ed_op#span style="color: rgb(0, 255, 255);"#ed_cl##ed_op#/span#ed_cl##ed_op#/span#ed_cl##ed_op#span style="color: rgb(0, 0, 0);"#ed_cl##ed_op#span style="color: rgb(0, 255, 255);"#ed_cl#15#ed_op#/span#ed_cl##ed_op#/span#ed_cl##ed_op#span style="color: rgb(0, 0, 0);"#ed_cl##ed_op#span style="color: rgb(0, 255, 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#ed_op#br#ed_cl#T=127#ed_op#br#ed_cl#S=508#ed_op#br#ed_cl#共508人#ed_op#br#ed_cl#由觀察歸納結果知#ed_op#br#ed_cl#s=(1+2+4+8+16+32+64)×4=508人#ed_op#br#ed_cl#

發表 ☆ ~ 幻 星 ~ ☆ 於 星期日 五月 27, 2007 4:03 pm

不確定對不對

(2^7-1)*4=508

508個人

[數學]學生幾何?

發表 J+W 於 星期六 五月 26, 2007 12:37 pm

昨晚天氣悶熱,我翻來覆去,總是睡不著。所以我開始數數。

數的是自2001年開始教書以來,我到底教過幾個學生了。

底下是一個由STUDENTS所構成的菱形塔陣,

這些英文單字中,只要能連線拼出STUDENTS的就代表有一個學生

而連線方式只能連水平或連垂直,不可以連斜線。

請問這7年來,我教過多少個學生?


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