[}–¼] “ú‚ÌŠÛ
[˜A—§•û’öŽ®] W=|0.7*X-Y|+|0.7*X+Y|-5
Z=(X+0.07143)^2+Y^2-1.5^2
W*Z=0
[•û’öŽ®‚ÌÀ•WŒn] ’¼ŒðÀ•WŒn
[•û’öŽ®‚ÌÀ•W•Ï”] X,Y
[F] W=ƒ0, Z„0 ‚Å”’AZ=ƒ0 ‚ÅÔB
[•û’öŽ®‚Ì‹OÕ] •û’öŽ® W=0 ‚Ì‹OÕ‚Í”’‚ÌŠO‰
•û’öŽ® Z=0 ‚Ì‹OÕ‚ÍÔ‚Æ”’‚Ì‹«ŠEüB
ƒOƒ‰ƒtƒBƒbƒNƒX‚Ì–ÚŽŸ‚Ö