[請益] 平行四邊形 突然卡點了= =!
想法:
劃輔助線 切割面績
我畫了 四邊中點 連接後 不知道怎麼切...
又畫了 對角線 還是分不出個所以然
因為沒有邊長 高
我想~應該不是用算的
但就是切不了= =!
有勞各位老師了....
題目: 總面積32,塗色面積多少!?
連接的兩邊是中點
http://ppt.cc/3ZrX
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◆ From: 114.27.159.107
※ 編輯: Ricky3140 來自: 114.27.159.107 (06/13 22:13)
※ 編輯: Ricky3140 來自: 114.27.159.107 (06/13 22:14)
推
06/13 22:23, , 1F
06/13 22:23, 1F
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06/13 22:24, , 2F
06/13 22:24, 2F
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06/13 22:30, , 3F
06/13 22:30, 3F
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06/13 22:30, , 4F
06/13 22:30, 4F
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06/13 22:36, , 5F
06/13 22:36, 5F
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06/13 22:37, , 6F
06/13 22:37, 6F
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06/13 22:37, , 7F
06/13 22:37, 7F
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06/13 22:38, , 8F
06/13 22:38, 8F
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06/13 22:55, , 9F
06/13 22:55, 9F
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06/14 00:04, , 10F
06/14 00:04, 10F
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06/14 00:31, , 11F
06/14 00:31, 11F
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06/14 00:36, , 12F
06/14 00:36, 12F
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06/14 00:37, , 13F
06/14 00:37, 13F
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06/14 01:12, , 14F
06/14 01:12, 14F
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06/14 01:14, , 15F
06/14 01:14, 15F
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06/14 03:31, , 16F
06/14 03:31, 16F
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06/14 12:43, , 17F
06/14 12:43, 17F
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