单项选择题
A.0.05 B.7% C.0.08 D.0.1
A.-5%—+5% B.-3%—+7% C.-5%—+7% D.-5%—+10%
A.-5%—+5% B.-3%—+7% C.-5%—+7% D.-10%—+10%
A.±2*2.5% B.±4*2.5% C.±5*2.5% D.±3*2.5%
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