一道vb的题目.x=3:y=5:z=9x=3:y=5:z=9x=x+yy=x-yIf x-y>z-x Then z=x+yIf x+y>z-y Then x=z+yPrint x,y,z3 11想不通怎么推的.

一道vb的题目.x=3:y=5:z=9x=3:y=5:z=9x=x+yy=x-yIf x-y>z-x Then z=x+yIf x+y>z-y Then x=z+yPrint x,y,z3 11想不通怎么推的.
一道vb的题目.x=3:y=5:z=9
x=3:y=5:z=9
x=x+y
y=x-y
If x-y>z-x Then z=x+y
If x+y>z-y Then x=z+y
Print x,y,z
3 11
想不通怎么推的.

一道vb的题目.x=3:y=5:z=9x=3:y=5:z=9x=x+yy=x-yIf x-y>z-x Then z=x+yIf x+y>z-y Then x=z+yPrint x,y,z3 11想不通怎么推的.
x=3:y=5:z=9
x=x+y 'x=3+5=8
y=x-y 'y=8-5=3
If x-y>z-x Then z=x+y ' 8-3>9-8 真 z=8+3=11
If x+y>z-y Then x=z+y '8+3>11-3 真 x=11+3=14
Print x,y,z '14 3 11