單項(xiàng)選擇題由計(jì)算器算得2.236(×)1.1124/1.036(×)0.2000的結(jié)果為12.00471,按有效數(shù)字運(yùn)算規(guī)則,應(yīng)將結(jié)果修約為:()?

A.12
B.12.0
C.12.00
D.12.004


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