CLARK0514 wrote:熟悉的名子,標哥前一天也來了...(恕刪)
billy10 wrote:圍成的三...(恕刪)
KissingNoMan wrote:其怪,我怎麼看都以為是要算三圍的
billy10 wrote:請問~若有三點 A(-3,6) B(-1,-1)C(3,2),所圍成的三角形面積為多少?
foxoes wrote:17...對嗎?...(恕刪)
KissingNoMan wrote:Bingo,應該是對...(恕刪)
hsien3065 wrote:我大略算了一下......(恕刪)