[中學] 中學數學一問(三角形個數)
http://ppt.cc/eEFQ
圖形如上列網址,
求共有幾個三角形?
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推
03/15 23:09, , 1F
03/15 23:09, 1F
→
03/15 23:10, , 2F
03/15 23:10, 2F
推
03/15 23:15, , 3F
03/15 23:15, 3F
推
03/15 23:17, , 4F
03/15 23:17, 4F
推
03/15 23:21, , 5F
03/15 23:21, 5F
→
03/15 23:27, , 6F
03/15 23:27, 6F
→
03/15 23:27, , 7F
03/15 23:27, 7F
→
03/16 10:33, , 8F
03/16 10:33, 8F