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請利用表的數據,判斷下列選項何者正確?()NN2N10N277295.19615216.43168287845.29150316.73320298415.38516517.02939309005.47722617.32051A.3000≒173.2051B.0.28≒0.5291503C.2.7≒0.5196152D.170.2939≒29

题目详情

請利用表的數據,判斷下列選項何者正確?(  )

NN2
N
10N
277295.19615216.43168
287845.29150316.73320
298415.38516517.02939
309005.47722617.32051

A.

3000
≒173.2051

B.

0.28
≒0.5291503

C.

2.7
≒0.5196152

D.

170.2939
≒29

▼优质解答
答案和解析
(A)
3000
=10
30
≒54.77226,故(A)错误;
(B)
0.28
=
28
10
≒0.5291503,故(B)正确;
(C)
2.7
=
270
10
≒1.643168,故(C)错误;
(D)
841
=29,故(D)错误.
故选(B).