4.98+8.02*3.5怎么简便运算

分类: 作业答案 • 2023-01-21 13:21:29

问题描述：

4.98+8.02*3.5怎么简便运算

答

4.98+8.02×3.5
=5-0.02+（8+0.02）×3.5
=5-0.02+8×3.5+0.02×3.5
=5+28+0.02×（3.5-1）
=33+0.02×2.5
=33+0.05
=33.05