A.小數(shù)點后位數(shù)最少的確定 B.小數(shù)點后位數(shù)最多的確定 C.小數(shù)點后位數(shù)的平均值確定 D.有效數(shù)字位數(shù)最少的確定
A.0.5266,14.21 B.0.526,-14.21 C.0.5266,-14.21 D.0.5266,-14.20