用简便方法计算:0.9999×0.08+0.1111×0.28

分类: 作业答案 • 2021-12-20 01:22:01

问题描述：

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