用简便方法计算:0.9999×0.08+0.1111×0.28_数学解答

用简便方法计算:0.9999×0.08+0.1111×0.28

人气：457 ℃　时间：2019-12-24 06:41:11

解答

0.9999×0.08+0.1111×0.28
=0.1111×9×0.08+0.1111×0.28
=0.1111×0.72+0.1111×0.28
=0.1111×（0.72+0.28）
=0.1111×1
=0.1111