回复:奥地利奥赛题:3元1次方程组(2星)

来源: 2009-02-28 18:05:28 [旧帖] [给我悄悄话] 本文已被阅读:

sol 1: a=3.1 b=2.2 c=5.8
sol 2: a=3.6 b=2.7 c=4.3
is it right?