jin9209 (jin9209) https://ruby-china.org/jin9209 en-us Float 型相加结果是多为小数 <p>1.1+1.2=2.3 但是 51.7+12.9=64.60000000000001 不是应该 64.6 吗？</p> jin9209 Wed, 24 Dec 2014 10:46:32 +0800 https://ruby-china.org/topics/23374 https://ruby-china.org/topics/23374