推 GayerDior:極座標代換! 220.138.251.36 07/13 21:38
推 kcuricky:能跟我說重積分的上下限嗎? 210.58.49.232 07/13 21:41
推 GayerDior:說錯~圓柱座標代換 220.138.251.36 07/13 21:45
推 kcuricky:上下限說一下感謝...我怎樣寫都錯... 210.58.49.232 07/13 21:45
推 m870171:π~ -π 0~2cosθ 還有問題再問^^ 61.231.32.148 07/13 23:59