3/4x( )=( )x7/3( )-1/3=( )+1/3=1.'| | / ||/-.( ||\_._\ || \ \`;|| > |/|| / // || |// || \(\ || `` || |

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/05 06:40:31

3/4x( )=( )x7/3( )-1/3=( )+1/3=1
.'
| | / |
|/-.( |
|\_._\ |
| \ \`;|
| > |/|
| / // |
| |// |
| \(\ |
| `` |
| |

3/4x(4/3)
=(3/7 )x7/3
=(4/3 )-1/3
=(2/3)+1/3
=1