Question

4.05+37.85的简便计算怎么算

Answer 1

你好，很高兴为你解答，答案如下：
4.05+37.85
=4+0.05+38-0.15
=4+38+0.05-0.15
=42-0.1
=41.9
希望我的回答对你有帮助，满意请采纳。