5.4×0.33+2.7×1.35的简便计算

分类: 作业答案 • 2021-12-28 17:52:24

问题描述：

答

5.4×0.33+2.7×1.35
=2.7×2×0.33+2.7×1.35
=2.7×(0.66+1.35)
=2.7×2.01
=2.7×(2+0.01)
=5.4+0.027
=5.427