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A.30%
B.×100%?
C.26.5%
D.×100%
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A.30% B.×100%
C.26.5% D.×100%
A.30% B.(26.5+3.5)/(100+6.5)
C.26.5% D.(26.5+3.5)/(100+6.5+3.5)
C.26.5% D.×100%
A.30% B.×100% C.26.5% D.×100%