3.8+4.29+2.1+4.2怎么简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 13:42:00
![3.8+4.29+2.1+4.2怎么简便计算](/uploads/image/z/131153-41-3.jpg?t=3.8%2B4.29%2B2.1%2B4.2%E6%80%8E%E4%B9%88%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
3.8+4.29+2.1+4.2怎么简便计算
3.8+4.29+2.1+4.2怎么简便计算
3.8+4.29+2.1+4.2怎么简便计算
3.8+4.29+2.1+4.2
=3.8+4.2+4.29+2.1
=8+6.39
=14.39
3.8+4.29+2.1+4.2
=(3.8+4.2)+(4.29+2.1)
=8+6.39
=14.39
【3.8+4.2】+【2.1+4.29】=8+6.39=14.39
就这么点加减法你问怎么算简便?我疯掉了~~