5减少它的( )%后是3,( )比60少10%,30克比80克少( )%

问题描述:

5减少它的( )%后是3,( )比60少10%,30克比80克少( )%

5减少它的(40 )%后是3,( 54)比60少10%,30克比80克少( 62.5)%