7/9A=5/8B(A,B不为0),那么A:B=( ):( )kuai

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/15 11:36:08
7/9A=5/8B(A,B不为0),那么A:B=():()kuai7/9A=5/8B(A,B不为0),那么A:B=():()kuai7/9A=5/8B(A,B不为0),那么A:B=():()kuaiA

7/9A=5/8B(A,B不为0),那么A:B=( ):( )kuai
7/9A=5/8B(A,B不为0),那么A:B=( ):( )
kuai

7/9A=5/8B(A,B不为0),那么A:B=( ):( )kuai
A:B=5/8:7/9=45:56
A:B=(45 ):(56 )

7/9A=5/8B
则A:B=5/8:7/9=5/8*9/7=45/56
所以A:B=45:56