[问题] unclassifiable statement

楼主: ad311634 (一夜)   2018-10-10 13:42:33
本鲁想请问各位大大这样是哪里错了?
https://imgur.com/K6Cj3Re
https://imgur.com/a/FsM3zsk
作者: rex0707 (我就是我)   2018-10-10 15:05:00
(y3-y1) 括号前面少了运算子 +-*/ 吧还有(x2-x1)

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