A.Ⅰ、Ⅱ、Ⅲ B.Ⅰ、Ⅲ C.Ⅱ、Ⅳ D.Ⅱ、Ⅳ、Ⅴ
A.14.3% B.14.5% C.87.5% D.12.5%
A.100×5%=5g B.(100-5)×5%=4.75g C.100-100/(1+0.05)=4.76g D.100/(1-0.05)-100=5.26g