5.6*2.9-5.6+8.1*5.6巧算
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 14:57:41
![5.6*2.9-5.6+8.1*5.6巧算](/uploads/image/z/5930069-5-9.jpg?t=5.6%2A2.9-5.6%2B8.1%2A5.6%E5%B7%A7%E7%AE%97)
5.6*2.9-5.6+8.1*5.6巧算
5.6*2.9-5.6+8.1*5.6巧算
5.6*2.9-5.6+8.1*5.6巧算
5.6*2.9-5.6+8.1*5.6
=5.6*(2.9-1+8.1)
=5.6*10
=56
5.6*(2.9-1+8.1)=5.6*(2.9+8.1-1)=5.6*(11-1)=5.6*10=56
5.6*2.9-5.6+8.1*5.6
=5.6×2.9-5.6+8.1×5.6
=5.6×(2.9-1+8.1)
=5.6×10
=56