我想能不能先做一个变量p) N# y3 E6 v* p8 ]
let p random-float 1.01 c6 q- O" S8 p
ifelse (p< a*b)
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( H, G) ~6 X8 b! i5 F' z, x set pcolor white + [9 Z+ p8 F% [7 m
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set pcolor red! X* A$ d, G2 \' l
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7 y5 G5 J2 r2 a% X5 R' M9 i( w1 V呵呵,不知道行不行! G3 c7 z5 l" K
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2# jingkun522 |