5.79×2.6+0.579×75-579×0.001的简便计算!

分类: 作业答案 • 2022-01-09 18:01:33

问题描述：

答

5.79×2.6+0.579×75-579×0.001
=5.79×2.6+5.79×7.5-5.79×0.1
=5.79×（2.6+7.5-0.1)
=5.79×10
=57.9