1.98+2.64+1.02+1.36如何简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 00:23:49
![1.98+2.64+1.02+1.36如何简便计算](/uploads/image/z/360153-9-3.jpg?t=1.98%2B2.64%2B1.02%2B1.36%E5%A6%82%E4%BD%95%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
1.98+2.64+1.02+1.36如何简便计算
1.98+2.64+1.02+1.36如何简便计算
1.98+2.64+1.02+1.36如何简便计算
1.98+2.64+1.02+1.36
=(1.98+1.02)+(2.64+1.36)
=3+4
=7
解题思路就是凑整.另学习愉快
1+1
1.98+2.64+1.02+1.36
=1.98+1.02+(2.64+1.36)
=3+4
=7
你的数学是音乐老师教的吗?这么简单的问题也来百度上问。
用加法交换律,把第三项交换到最前边得:原式=1.02+1.98+2.64+1.36=(1.02+1.98)+(2.64+1.36)=3+4=7
(1.98+1.02)+(2.64+1.36)