- 4


line(x,y)-(u,v),c (,)-(, v),

line(x,y)-(u,v),c,b (,)-(,),

circle(x,y),r,c (,), r,

circle(x,y),r,c,al,a2 (,), r,,1,2

paint(x,y),c (,),

ls _

screen 0,0 _

screen 1,0 _1

screen 2,0 _2

 

.

= 0 := 0 = 0

b = + 1 b := a + 1 b = + 1 = 1

= 2*b + 3 := 2b + 3 = 2 b + 3 = 5

d = b/c d := b/c d = -b/c = 0.2

b = b + 1 b := b + 1 b' = b + 1 = 2

b = b + 1 b := b + 1 b" = b' + 1 = 3

 

.

rnd - 0 1 rnd

int (x) - int (5/3) 1

abs (x) - ࠠ abs (-2) 2

sqr (x) - ࠠ sqr (16) 4