Question

0.026491保留3位小数是多少?

Answer 1

0.026491保留三位小数，看万分位的4小于5，舍去，0.026491≈0.026

追答

0.026491保留三位小数，看万分位的4小于5，舍去，0.026491≈0.026

Answer 2

0.026491保留3位小数是多少?看4。
=0.026

Answer 3

用“四舍五入”法得
0.026491≈0.026