TO A :X
REPEAT 4[FD :X RT 90]
END
TO B :X :Y
REPEAT 2 [FD :X RT 45 FD :Y RT 135]
END
TO C :X
A :X FD :X RT 45 B :X/3*2 :X
RT 45 FD :X RT 90 FD :X RT 180
B :X :X/3*2
END
执行:C 50
PD
FD 100
LT
FD 100
LT
FD 100
LT
FD 100
1、repeat 4[fd 20 rt 90]
REPEAT 4[FD (边长) RT 90
我们刚考完