[問題] unclassifiable statement

作者: ad311634 (一夜)   2018-10-10 13:42:33
本魯想請問各位大大這樣是哪裡錯了?
https://imgur.com/K6Cj3Re
https://imgur.com/a/FsM3zsk
作者: rex0707 (我就是我)   2018-10-10 15:05:00
(y3-y1) 括弧前面少了運算子 +-*/ 吧還有(x2-x1)

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