#ed_op#DIV#ed_cl#我用你那兩個方程, 輸入數學作圖軟體, 叫軟體給我下圖斜線的面積, 是 20.83333, 此值符合上面網友的計算值.#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# #ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#IMG alt="image file name: 2kea98eeb309.png" src="http://yll.loxa.edu.tw/phpBB2/richedit/upload/2kea98eeb309.png" border=0#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# #ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#但是你的 125 / 3 = 41.6667.#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl# #ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#所以, 假如你沒誤打, 那麼你的課本就有誤錯了! 要不是題目有字印錯, 不然就是答案有字印錯.#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl#琦琦 寫到:為什麼課本的解答是125/3,和各位大大算的不大一樣!!