石狮规范 :
[1又2/3-(1/3-1/6+5/12)×2.4]÷5
=[5/3-(8/24-4/24+10/24)×2.4]÷5
=[40/24-14/24]×2.4÷5
=26/24×2.4÷5
=26/10÷5
=2.6÷5
=0.52
祝好,再见.
石狮规范 :
[1又2/3-(1/3-1/6+5/12)×2.4]÷5
=[5/3-(8/24-4/24+10/24)×2.4]÷5
=[40/24-14/24]×2.4÷5
=26/24×2.4÷5
=26/10÷5
=2.6÷5
=0.52
祝好,再见.