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作者 kopuck 在 PTT [ tutor ] 看板的留言(推文), 共162則
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Re: [解題] 關於國中數學
[ tutor ]4 留言, 推噓總分: +1
作者: Intercome - 發表於 2008/12/21 21:13(15年前)
1Fkopuck:印象之中 他答案好像是625拍-____的樣子 我往回推r好像是5012/21 21:35
2Fkopuck:是一本國中參考書 我忘記他的名字了...12/21 21:40
3Fkopuck:我深深覺得她題目出錯...48 14應該是長方形的長寬 因為它12/22 23:09
4Fkopuck:後面-的好像是672剛好就是48*14...我猜可能是題目給錯...12/22 23:10
[解題]平行線段和三角形
[ tutor ]3 留言, 推噓總分: +1
作者: joey22523365 - 發表於 2008/11/15 02:08(15年前)
1Fkopuck:可以證BCD~ACE(SAS相似) 角AOB=角ODC+角OEC+角DCE11/15 16:33
2Fkopuck:EAC三角形內角和180 => EAC+AEC=60 =>BDC+AEC=6011/15 16:36
3Fkopuck:就可以算到AOB角了11/15 16:37
[解題] 國中數學-三角形面積
[ tutor ]23 留言, 推噓總分: +7
作者: mrgold29 - 發表於 2008/10/31 00:15(15年前)
5Fkopuck:可以把你的y變成6/z 長方形的寬設成8/x 然後(8/x-z)(b+6/z)10/31 00:54
6Fkopuck:=10 然後會解成xz=4 你圖中wz間有一點 把它連到左邊10/31 00:58
7Fkopuck:XY中間有一點把它連到上面 變成T字 左下角那塊就是xz10/31 00:59
9Fkopuck:http://www.wretch.cc/album/album.php?id=momonice&book=110/31 01:04
10Fkopuck:最右邊的圖 然後應該5+3=810/31 01:04
11Fkopuck:不確定對不對 希望前輩幫忙檢查10/31 01:04
16Fkopuck:因為藍色框起來的地方是四 跟左邊三角型有重疊部分10/31 01:14
17Fkopuck:但是兩塊面積一樣 表示多出來的地方 面積應該是一樣的10/31 01:14
19Fkopuck:這個阿 就在最上面我推文的前兩行了10/31 01:21
22Fkopuck:阿阿對不起..因為..我在紙上是寫ab 抱歉...沒有看好10/31 01:29
Re: [解題] 國三數學 圓
[ tutor ]3 留言, 推噓總分: +1
作者: kopuck - 發表於 2008/10/28 00:47(15年前)
2Fkopuck:我寫錯了 謝謝你10/28 08:56
[解題] 國三數學 相似形單元 兩題
[ tutor ]21 留言, 推噓總分: +9
作者: PocaLays - 發表於 2008/10/17 10:42(15年前)
13Fkopuck:有個做法之前看板上前輩用過 覺得很酷 就把他偷學起來10/17 18:27
14Fkopuck:作法是 http://www.wretch.cc/album/momonice 進去右邊那個10/17 18:28
15Fkopuck:圖...因為我不會縮網址..所以沒有附上可以直接開圖的網址..10/17 18:28
Re: [解題] 關於國三數學-相似形
[ tutor ]1 留言, 推噓總分: +1
作者: ayuyu - 發表於 2008/10/05 15:34(15年前)
1Fkopuck:感謝您 我也是在超級翰將看到這題10/05 16:53
[解題] 關於國三數學+理化
[ tutor ]6 留言, 推噓總分: 0
作者: kopuck - 發表於 2008/10/05 13:12(15年前)
2Fkopuck:抱歉我省略太多 AD:DE=3:2 AD=3r DE=2r ==>AE=5r=BC10/05 13:32
3Fkopuck:AD:BC=3:5 利用相似 DG:GB=3:510/05 13:33
6Fkopuck:但是 內錯角D=B,A=C => ADG~CBG AD:CB=DG:BG10/05 13:38
[解題] 圓內角
[ tutor ]7 留言, 推噓總分: +4
作者: MingXDD - 發表於 2008/08/13 17:01(16年前)
7Fkopuck:你把圓畫出來,隨便畫一組,搭配dannisku的方法應該就會了08/14 18:14
[解題] 國三 相似形
[ tutor ]4 留言, 推噓總分: +3
作者: sexy1111 - 發表於 2008/07/16 21:27(16年前)
3Fkopuck:通常後面就會有證明AAA和SSS,為什麼滿足一個另一個就會成立07/17 22:21
[解題] 國中 理化 化學反應
[ tutor ]6 留言, 推噓總分: +1
作者: dogdog - 發表於 2008/07/06 20:59(16年前)
6Fkopuck:樓上 他就說他不是教理科的 當然會比較保守07/07 14:11