Question

用简便方法计算4.06 9.65-5.9怎么算？

Answer 1

4.06+9.65-5.9简便计算
解题思路：不能进行简便运算的按顺序计算，简便运算核心是运用加法和乘法各种定律进行计算，计算出整数部分方便后续计算的过程
解题过程：
4.06+9.65-5.9
=4.05+9.65-5.9+0.01
=13.7-5.9+0.01
=7.8+0.01
=7.81
存疑请追问满意请采纳

Answer 2

4.06+9.65-5.9
=4+0.05+0.01+9.65-6-0.1
=4+0.01+（9.65+0.05）-6-0.1
=9.6-2+0.01
=7.6+0.01
=7.61

Answer 3

4.06+9.65-5.9
=4.06+9.64+0.01-5.9
=13.7+0.01-5.9
=13.71-6+0.1
=7.71+0.1
=7.81