单项选择题
舍去20.75,0.025数据中的最后一位数,其结果分别为()。
A.20.8,0.03
B.20.7,0.02
C.20.8,0.02
D.20.7,0.03
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单项选择题
A.20.8,0.03
B.20.7,0.02
C.20.8,0.02
D.20.7,0.03
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