hysyo wrote:長方形面積有兩種可能,20或4不過4已經小於三個三角形的面積和長方形面積為20
kenandine wrote:依等比例?!! 我真...(恕刪)
失去快樂 wrote:圖畫出來...隨便帶個數字進去就出來了@@
kenandine wrote:哈哈!沒錯我大學聯...(恕刪)
kenandine wrote:小弟已經30多歲了^...(恕刪)
hysyo wrote:那您有考過三民主義嗎?