下列测量的结果中表达式正确的是()
A: M=(54.60±0.50)g
B: L=(0.667±0.004)m
C: T=(17.32±0.21)s
D: R=(82.742±0.18)Ω
A: M=(54.60±0.50)g
B: L=(0.667±0.004)m
C: T=(17.32±0.21)s
D: R=(82.742±0.18)Ω
举一反三
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- 下列测量的结果中表达式正确的有